20212110112 has 48 divisors (see below), whose sum is σ = 41950282752. Its totient is φ = 9571944960.

The previous prime is 20212110109. The next prime is 20212110161. The reversal of 20212110112 is 21101121202.

It is a super-2 number, since 2×20212110112² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20212110092 and 20212110101.

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, 170133 + ... + 263380.

It is an arithmetic number, because the mean of its divisors is an integer number (873964224).

Almost surely, 2^20212110112 is an apocalyptic number.

It is an amenable number.

20212110112 is an abundant number, since it is smaller than the sum of its proper divisors (21738172640).

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

20212110112 is a wasteful number, since it uses less digits than its factorization.

20212110112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433601 (or 433593 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20212110112 its reverse (21101121202), we get a palindrome (41313231314).

The spelling of 20212110112 in words is "twenty billion, two hundred twelve million, one hundred ten thousand, one hundred twelve".