100000000220120 has 256 divisors, whose sum is σ = 304869456460800. Its totient is φ = 28507271362560.

The previous prime is 100000000220101. The next prime is 100000000220189. The reversal of 100000000220120 is 21022000000001.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a junction number, because it is equal to n+sod(n) for n = 100000000220098 and 100000000220107.

It is a congruent number.

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, 7092074 + ... + 15820793.

It is an arithmetic number, because the mean of its divisors is an integer number (1190896314300).

Almost surely, 2^{100000000220120} is an apocalyptic number.

100000000220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100000000220120 is an abundant number, since it is smaller than the sum of its proper divisors (204869456240680).

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

100000000220120 is a wasteful number, since it uses less digits than its factorization.

100000000220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22913018 (or 22913014 counting only the distinct ones).

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

Adding to 100000000220120 its reverse (21022000000001), we get a palindrome (121022000220121).

The spelling of 100000000220120 in words is "one hundred trillion, two hundred twenty thousand, one hundred twenty".