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2021222101010 = 257101881324503
BaseRepresentation
bin11101011010011010001…
…110011011000000010010
321011020010102222021122012
4131122122032123000102
5231103430324213020
64144311524142522
7266012524246460
oct35323216330022
97136112867565
102021222101010
1170a217201442
12287887237a42
131187a61a0ca8
146db831b9830
153789b19c7c5
hex1d69a39b012

2021222101010 has 64 divisors (see below), whose sum is σ = 4203889611264. Its totient is φ = 685348224000.

The previous prime is 2021222100979. The next prime is 2021222101027. The reversal of 2021222101010 is 101012221202.

It is a super-2 number, since 2×20212221010102 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6066419 + ... + 6390921.

It is an arithmetic number, because the mean of its divisors is an integer number (65685775176).

Almost surely, 22021222101010 is an apocalyptic number.

2021222101010 is an abundant number, since it is smaller than the sum of its proper divisors (2182667510254).

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

2021222101010 is a wasteful number, since it uses less digits than its factorization.

2021222101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325499.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2021222101010 its reverse (101012221202), we get a palindrome (2122234322212).

The spelling of 2021222101010 in words is "two trillion, twenty-one billion, two hundred twenty-two million, one hundred one thousand, ten".

Divisors: 1 2 5 7 10 14 35 70 101 202 505 707 881 1010 1414 1762 3535 4405 6167 7070 8810 12334 30835 61670 88981 177962 324503 444905 622867 649006 889810 1245734 1622515 2271521 3114335 3245030 4543042 6228670 11357605 22715210 32774803 65549606 163874015 229423621 285887143 327748030 458847242 571774286 1147118105 1429435715 2001210001 2294236210 2858871430 4002420002 10006050005 20012100010 28874601443 57749202886 144373007215 202122210101 288746014430 404244420202 1010611050505 2021222101010