202110110100120 has 64 divisors (see below), whose sum is σ = 607699021950720. Its totient is φ = 53774367880064.

The previous prime is 202110110100109. The next prime is 202110110100121. The reversal of 202110110100120 is 21001011011202.

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 = 202110110100096 and 202110110100105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202110110100121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1900907244 + ... + 1901013563.

It is an arithmetic number, because the mean of its divisors is an integer number (9495297217980).

Almost surely, 2^{202110110100120} is an apocalyptic number.

202110110100120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202110110100120 is an abundant number, since it is smaller than the sum of its proper divisors (405588911850600).

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

202110110100120 is a wasteful number, since it uses less digits than its factorization.

202110110100120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3801921264 (or 3801921260 counting only the distinct ones).

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

Adding to 202110110100120 its reverse (21001011011202), we get a palindrome (223111121111322).

The spelling of 202110110100120 in words is "two hundred two trillion, one hundred ten billion, one hundred ten million, one hundred thousand, one hundred twenty".