220101120120 has 128 divisors (see below), whose sum is σ = 794349964800. Its totient is φ = 47660990976.

The previous prime is 220101120097. The next prime is 220101120149. The reversal of 220101120120 is 21021101022.

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 = 220101120096 and 220101120105.

It is a congruent number.

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, 6879439 + ... + 6911358.

It is an arithmetic number, because the mean of its divisors is an integer number (6205859100).

Almost surely, 2^220101120120 is an apocalyptic number.

220101120120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220101120120 is an abundant number, since it is smaller than the sum of its proper divisors (574248844680).

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

220101120120 is a wasteful number, since it uses less digits than its factorization.

220101120120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13790837 (or 13790833 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 220101120120 its reverse (21021101022), we get a palindrome (241122221142).

The spelling of 220101120120 in words is "two hundred twenty billion, one hundred one million, one hundred twenty thousand, one hundred twenty".