20220120102112 has 288 divisors, whose sum is σ = 49237302546432. Its totient is φ = 8121884553216.

The previous prime is 20220120102089. The next prime is 20220120102113. The reversal of 20220120102112 is 21120102102202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220120102113) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9014764863 + ... + 9014767105.

It is an arithmetic number, because the mean of its divisors is an integer number (170962856064).

Almost surely, 2^{20220120102112} 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 20220120102112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24618651273216).

20220120102112 is an abundant number, since it is smaller than the sum of its proper divisors (29017182444320).

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

20220120102112 is a wasteful number, since it uses less digits than its factorization.

20220120102112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3550 (or 3535 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20220120102112 its reverse (21120102102202), we get a palindrome (41340222204314).

The spelling of 20220120102112 in words is "twenty trillion, two hundred twenty billion, one hundred twenty million, one hundred two thousand, one hundred twelve".