202110010120 has 16 divisors (see below), whose sum is σ = 454747522860. Its totient is φ = 80844004032.

The previous prime is 202110010079. The next prime is 202110010121. The reversal of 202110010120 is 21010011202.

It can be written as a sum of positive squares in 2 ways, for example, as 187955197444 + 14154812676 = 433538^2 + 118974^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 202110010097 and 202110010106.

It is not an unprimeable number, because it can be changed into a prime (202110010121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2526375087 + ... + 2526375166.

Almost surely, 2^202110010120 is an apocalyptic number.

202110010120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202110010120 is an abundant number, since it is smaller than the sum of its proper divisors (252637512740).

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

202110010120 is a wasteful number, since it uses less digits than its factorization.

202110010120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5052750264 (or 5052750260 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 202110010120 its reverse (21010011202), we get a palindrome (223120021322).

The spelling of 202110010120 in words is "two hundred two billion, one hundred ten million, ten thousand, one hundred twenty".