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2021201110212 = 2235326312083609
BaseRepresentation
bin11101011010011000111…
…110010110010011000100
321011020001222110211200020
4131122120332112103010
5231103404441011322
64144305454215140
7266012150653014
oct35323076262304
97136058424606
102021201110212
1170a206374779
122878801b44b0
131187a1a318bb
146db804b3c44
153789940305c
hex1d698f964c4

2021201110212 has 48 divisors (see below), whose sum is σ = 4823390436480. Its totient is φ = 658508301568.

The previous prime is 2021201110157. The next prime is 2021201110213. The reversal of 2021201110212 is 2120111021202.

It is a junction number, because it is equal to n+sod(n) for n = 2021201110191 and 2021201110200.

It is not an unprimeable number, because it can be changed into a prime (2021201110213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5874537 + ... + 6209072.

It is an arithmetic number, because the mean of its divisors is an integer number (100487300760).

Almost surely, 22021201110212 is an apocalyptic number.

It is an amenable number.

2021201110212 is an abundant number, since it is smaller than the sum of its proper divisors (2802189326268).

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

2021201110212 is a wasteful number, since it uses less digits than its factorization.

2021201110212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12083932 (or 12083930 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2021201110212 its reverse (2120111021202), we get a palindrome (4141312131414).

The spelling of 2021201110212 in words is "two trillion, twenty-one billion, two hundred one million, one hundred ten thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 53 106 159 212 263 318 526 636 789 1052 1578 3156 13939 27878 41817 55756 83634 167268 12083609 24167218 36250827 48334436 72501654 145003308 640431277 1280862554 1921293831 2561725108 3177989167 3842587662 6355978334 7685175324 9533967501 12711956668 19067935002 38135870004 168433425851 336866851702 505300277553 673733703404 1010600555106 2021201110212