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2021010001120 = 255111148301137
BaseRepresentation
bin11101011010001101100…
…101010100110011100000
321011012120122212111021201
4131122031211110303200
5231103012030013440
64144234510130544
7266004340365445
oct35321545246340
97135518774251
102021010001120
1170a118504680
122878281b0a54
1311877126b3b6
146db62d679cc
153788775319a
hex1d68d954ce0

2021010001120 has 48 divisors (see below), whose sum is σ = 5208693961968. Its totient is φ = 734912727040.

The previous prime is 2021010001067. The next prime is 2021010001121. The reversal of 2021010001120 is 211000101202.

It is a super-3 number, since 3×20210100011203 (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 2021010001097 and 2021010001106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021010001121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 574148809 + ... + 574152328.

It is an arithmetic number, because the mean of its divisors is an integer number (108514457541).

Almost surely, 22021010001120 is an apocalyptic number.

2021010001120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021010001120 is an abundant number, since it is smaller than the sum of its proper divisors (3187683960848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2021010001120 is a wasteful number, since it uses less digits than its factorization.

2021010001120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148301163 (or 1148301155 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2021010001120 its reverse (211000101202), we get a palindrome (2232010102322).

The spelling of 2021010001120 in words is "two trillion, twenty-one billion, ten million, one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 80 88 110 160 176 220 352 440 880 1760 1148301137 2296602274 4593204548 5741505685 9186409096 11483011370 12631312507 18372818192 22966022740 25262625014 36745636384 45932045480 50525250028 63156562535 91864090960 101050500056 126313125070 183728181920 202101000112 252626250140 404202000224 505252500280 1010505000560 2021010001120