210102010120 has 32 divisors (see below), whose sum is σ = 472830462720. Its totient is φ = 84022859200.

The previous prime is 210102010109. The next prime is 210102010133. The reversal of 210102010120 is 21010201012.

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 = 210102010097 and 210102010106.

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, 370306 + ... + 746545.

It is an arithmetic number, because the mean of its divisors is an integer number (14775951960).

Almost surely, 2^210102010120 is an apocalyptic number.

210102010120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210102010120 is an abundant number, since it is smaller than the sum of its proper divisors (262728452600).

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

210102010120 is a wasteful number, since it uses less digits than its factorization.

210102010120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121565 (or 1121561 counting only the distinct ones).

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

210102010120 divided by its sum of digits (10) gives a palindrome (21010201012).

Adding to 210102010120 its reverse (21010201012), we get a palindrome (231112211132).

The spelling of 210102010120 in words is "two hundred ten billion, one hundred two million, ten thousand, one hundred twenty".