100100112110220 has 96 divisors (see below), whose sum is σ = 280508721292800. Its totient is φ = 26671612483584.

The previous prime is 100100112110149. The next prime is 100100112110267. The reversal of 100100112110220 is 22011211001001.

It is a super-2 number, since 2×100100112110220² (a number of 29 digits) contains 22 as substring.

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 = 100100112110196 and 100100112110205.

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, 2464953276 + ... + 2464993884.

It is an arithmetic number, because the mean of its divisors is an integer number (2921965846800).

Almost surely, 2^{100100112110220} is an apocalyptic number.

100100112110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100100112110220 is an abundant number, since it is smaller than the sum of its proper divisors (180408609182580).

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

100100112110220 is a wasteful number, since it uses less digits than its factorization.

100100112110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73087 (or 73085 counting only the distinct ones).

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

Adding to 100100112110220 its reverse (22011211001001), we get a palindrome (122111323111221).

The spelling of 100100112110220 in words is "one hundred trillion, one hundred billion, one hundred twelve million, one hundred ten thousand, two hundred twenty".