100122021210120 has 256 divisors, whose sum is σ = 378697928071680. Its totient is φ = 20609410867200.

The previous prime is 100122021210109. The next prime is 100122021210131. The reversal of 100122021210120 is 21012120221001.

It is an interprime number because it is at equal distance from previous prime (100122021210109) and next prime (100122021210131).

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 100122021210120.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 111365491 + ... + 112260930.

It is an arithmetic number, because the mean of its divisors is an integer number (1479288781530).

Almost surely, 2^{100122021210120} is an apocalyptic number.

100122021210120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100122021210120 is an abundant number, since it is smaller than the sum of its proper divisors (278575906861560).

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

100122021210120 is a wasteful number, since it uses less digits than its factorization.

100122021210120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223626496 (or 223626492 counting only the distinct ones).

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

Adding to 100122021210120 its reverse (21012120221001), we get a palindrome (121134141431121).

The spelling of 100122021210120 in words is "one hundred trillion, one hundred twenty-two billion, twenty-one million, two hundred ten thousand, one hundred twenty".