100120111210 has 32 divisors (see below), whose sum is σ = 205977156480. Its totient is φ = 34324264512.

The previous prime is 100120111103. The next prime is 100120111213. The reversal of 100120111210 is 12111021001.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (100120111213) 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, 1012492 + ... + 1106968.

It is an arithmetic number, because the mean of its divisors is an integer number (6436786140).

Almost surely, 2^100120111210 is an apocalyptic number.

100120111210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100120111210 is an abundant number, since it is smaller than the sum of its proper divisors (105857045270).

100120111210 is a wasteful number, since it uses less digits than its factorization.

100120111210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109630.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 100120111210 its reverse (12111021001), we get a palindrome (112231132211).

The spelling of 100120111210 in words is "one hundred billion, one hundred twenty million, one hundred eleven thousand, two hundred ten".