111022010120912 has 160 divisors (see below), whose sum is σ = 237576724176000. Its totient is φ = 49840551936000.

The previous prime is 111022010120911. The next prime is 111022010120941. The reversal of 111022010120912 is 219021010220111.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111022010120911) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9214203464 + ... + 9214215512.

It is an arithmetic number, because the mean of its divisors is an integer number (1484854526100).

Almost surely, 2^{111022010120912} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111022010120912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118788362088000).

111022010120912 is an abundant number, since it is smaller than the sum of its proper divisors (126554714055088).

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

111022010120912 is a wasteful number, since it uses less digits than its factorization.

111022010120912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13685 (or 13679 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 111022010120912 in words is "one hundred eleven trillion, twenty-two billion, ten million, one hundred twenty thousand, nine hundred twelve".