201011021021112 has 64 divisors (see below), whose sum is σ = 520151574835200. Its totient is φ = 64665582837120.

The previous prime is 201011021020937. The next prime is 201011021021177. The reversal of 201011021021112 is 211120120110102.

It is a happy number.

It is a super-2 number, since 2×201011021021112² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201011021021091 and 201011021021100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 367814287 + ... + 368360382.

It is an arithmetic number, because the mean of its divisors is an integer number (8127368356800).

Almost surely, 2^{201011021021112} is an apocalyptic number.

It is an amenable number.

201011021021112 is an abundant number, since it is smaller than the sum of its proper divisors (319140553814088).

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

201011021021112 is a wasteful number, since it uses less digits than its factorization.

201011021021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736175076 (or 736175072 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 201011021021112 its reverse (211120120110102), we get a palindrome (412131141131214).

The spelling of 201011021021112 in words is "two hundred one trillion, eleven billion, twenty-one million, twenty-one thousand, one hundred twelve".