22021022120112 has 80 divisors (see below), whose sum is σ = 63306792689280. Its totient is φ = 7328924843328.

The previous prime is 22021022120101. The next prime is 22021022120117. The reversal of 22021022120112 is 21102122012022.

It is a happy number.

22021022120112 is a `hidden beast` number, since 2 + 20 + 210 + 221 + 201 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (22021022120117) 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, 39360318 + ... + 39915869.

It is an arithmetic number, because the mean of its divisors is an integer number (791334908616).

Almost surely, 2^{22021022120112} is an apocalyptic number.

It is an amenable number.

22021022120112 is an abundant number, since it is smaller than the sum of its proper divisors (41285770569168).

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

22021022120112 is a wasteful number, since it uses less digits than its factorization.

22021022120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79276847 (or 79276835 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22021022120112 its reverse (21102122012022), we get a palindrome (43123144132134).

The spelling of 22021022120112 in words is "twenty-two trillion, twenty-one billion, twenty-two million, one hundred twenty thousand, one hundred twelve".