210101110222120 has 32 divisors (see below), whose sum is σ = 509091151693320. Its totient is φ = 77575794543360.

The previous prime is 210101110222117. The next prime is 210101110222163. The reversal of 210101110222120 is 21222011101012.

It can be written as a sum of positive squares in 4 ways, for example, as 95493508438084 + 114607601784036 = 9772078^2 + 10705494^2 .

It is a junction number, because it is equal to n+sod(n) for n = 210101110222094 and 210101110222103.

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, 202020297771 + ... + 202020298810.

Almost surely, 2^{210101110222120} is an apocalyptic number.

210101110222120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210101110222120 is an abundant number, since it is smaller than the sum of its proper divisors (298990041471200).

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

210101110222120 is a wasteful number, since it uses less digits than its factorization.

210101110222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404040596605 (or 404040596601 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 210101110222120 its reverse (21222011101012), we get a palindrome (231323121323132).

The spelling of 210101110222120 in words is "two hundred ten trillion, one hundred one billion, one hundred ten million, two hundred twenty-two thousand, one hundred twenty".