202111111010112 has 112 divisors (see below), whose sum is σ = 548385773952192. Its totient is φ = 65659625902080.

The previous prime is 202111111009999. The next prime is 202111111010117. The reversal of 202111111010112 is 211010111111202.

202111111010112 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×202111111010112² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202111111010091 and 202111111010100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202111111010117) 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, 23010939 + ... + 30556922.

Almost surely, 2^{202111111010112} is an apocalyptic number.

It is an amenable number.

202111111010112 is an abundant number, since it is smaller than the sum of its proper divisors (346274662942080).

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

202111111010112 is a wasteful number, since it uses less digits than its factorization.

202111111010112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53568376 (or 53568366 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 202111111010112 its reverse (211010111111202), we get a palindrome (413121222121314).

The spelling of 202111111010112 in words is "two hundred two trillion, one hundred eleven billion, one hundred eleven million, ten thousand, one hundred twelve".