122200021012110 has 128 divisors (see below), whose sum is σ = 300446333637120. Its totient is φ = 31792178750976.

The previous prime is 122200021012109. The next prime is 122200021012117. The reversal of 122200021012110 is 11210120002221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 122200021012110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122200021012117) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10641814429 + ... + 10641825911.

It is an arithmetic number, because the mean of its divisors is an integer number (2347236981540).

Almost surely, 2^{122200021012110} is an apocalyptic number.

122200021012110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 122200021012110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150223166818560).

122200021012110 is an abundant number, since it is smaller than the sum of its proper divisors (178246312625010).

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

122200021012110 is a wasteful number, since it uses less digits than its factorization.

122200021012110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20322.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 122200021012110 its reverse (11210120002221), we get a palindrome (133410141014331).

The spelling of 122200021012110 in words is "one hundred twenty-two trillion, two hundred billion, twenty-one million, twelve thousand, one hundred ten".