20111010212112 has 40 divisors (see below), whose sum is σ = 51956823601056. Its totient is φ = 6703233870336.

The previous prime is 20111010212023. The next prime is 20111010212141. The reversal of 20111010212112 is 21121201011102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20111010212091 and 20111010212100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12885478 + ... + 14361669.

Almost surely, 2^{20111010212112} is an apocalyptic number.

It is an amenable number.

20111010212112 is an abundant number, since it is smaller than the sum of its proper divisors (31845813388944).

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

20111010212112 is a wasteful number, since it uses less digits than its factorization.

20111010212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27262535 (or 27262529 counting only the distinct ones).

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

Adding to 20111010212112 its reverse (21121201011102), we get a palindrome (41232211223214).

The spelling of 20111010212112 in words is "twenty trillion, one hundred eleven billion, ten million, two hundred twelve thousand, one hundred twelve".