20122111010112 has 112 divisors (see below), whose sum is σ = 55922436483072. Its totient is φ = 6373256947200.

The previous prime is 20122111010101. The next prime is 20122111010149. The reversal of 20122111010112 is 21101011122102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20122111010091 and 20122111010100.

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, 14421388 + ... + 15755019.

Almost surely, 2^{20122111010112} is an apocalyptic number.

It is an amenable number.

20122111010112 is an abundant number, since it is smaller than the sum of its proper divisors (35800325472960).

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

20122111010112 is a wasteful number, since it uses less digits than its factorization.

20122111010112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30176596 (or 30176586 counting only the distinct ones).

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

Adding to 20122111010112 its reverse (21101011122102), we get a palindrome (41223122132214).

The spelling of 20122111010112 in words is "twenty trillion, one hundred twenty-two billion, one hundred eleven million, ten thousand, one hundred twelve".