220001101010120 has 32 divisors (see below), whose sum is σ = 495003001980600. Its totient is φ = 88000347122688.

The previous prime is 220001101010069. The next prime is 220001101010177. The reversal of 220001101010120 is 21010101100022.

It can be written as a sum of positive squares in 4 ways, for example, as 207801854331556 + 12199246678564 = 14415334^2 + 3492742^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45025982 + ... + 49672338.

Almost surely, 2^{220001101010120} is an apocalyptic number.

220001101010120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220001101010120 is an abundant number, since it is smaller than the sum of its proper divisors (275001900970480).

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

220001101010120 is a wasteful number, since it uses less digits than its factorization.

220001101010120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5830097 (or 5830093 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 220001101010120 its reverse (21010101100022), we get a palindrome (241011202110142).

The spelling of 220001101010120 in words is "two hundred twenty trillion, one billion, one hundred one million, ten thousand, one hundred twenty".