10102021120 has 44 divisors (see below), whose sum is σ = 24233024664. Its totient is φ = 4040806400.

The previous prime is 10102021117. The next prime is 10102021151. The reversal of 10102021120 is 2112020101.

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 = 10102021097 and 10102021106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 981406 + ... + 991645.

Almost surely, 2^10102021120 is an apocalyptic number.

10102021120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10102021120 is an abundant number, since it is smaller than the sum of its proper divisors (14131003544).

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

10102021120 is an equidigital number, since it uses as much as digits as its factorization.

10102021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1973076 (or 1973058 counting only the distinct ones).

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

Adding to 10102021120 its reverse (2112020101), we get a palindrome (12214041221).

The spelling of 10102021120 in words is "ten billion, one hundred two million, twenty-one thousand, one hundred twenty".