100102110101220 has 96 divisors (see below), whose sum is σ = 282862257955200. Its totient is φ = 26448537913344.

The previous prime is 100102110101209. The next prime is 100102110101237. The reversal of 100102110101220 is 22101011201001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 100102110101196 and 100102110101205.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 549380091 + ... + 549562269.

It is an arithmetic number, because the mean of its divisors is an integer number (2946481853700).

Almost surely, 2^{100102110101220} is an apocalyptic number.

100102110101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100102110101220 is an abundant number, since it is smaller than the sum of its proper divisors (182760147853980).

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

100102110101220 is a wasteful number, since it uses less digits than its factorization.

100102110101220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266317 (or 266315 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 100102110101220 its reverse (22101011201001), we get a palindrome (122203121302221).

The spelling of 100102110101220 in words is "one hundred trillion, one hundred two billion, one hundred ten million, one hundred one thousand, two hundred twenty".