100212220110120 has 256 divisors, whose sum is σ = 307708860441600. Its totient is φ = 26097156771840.

The previous prime is 100212220110109. The next prime is 100212220110137. The reversal of 100212220110120 is 21011022212001.

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 100212220110120.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15491142246 + ... + 15491148714.

It is an arithmetic number, because the mean of its divisors is an integer number (1201987736100).

Almost surely, 2^{100212220110120} is an apocalyptic number.

100212220110120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100212220110120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153854430220800).

100212220110120 is an abundant number, since it is smaller than the sum of its proper divisors (207496640331480).

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

100212220110120 is a wasteful number, since it uses less digits than its factorization.

100212220110120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12148 (or 12144 counting only the distinct ones).

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

Adding to 100212220110120 its reverse (21011022212001), we get a palindrome (121223242322121).

The spelling of 100212220110120 in words is "one hundred trillion, two hundred twelve billion, two hundred twenty million, one hundred ten thousand, one hundred twenty".