10021021108 has 48 divisors (see below), whose sum is σ = 20745002880. Its totient is φ = 4144258944.

The previous prime is 10021021081. The next prime is 10021021123. The reversal of 10021021108 is 80112012001.

It is a junction number, because it is equal to n+sod(n) for n = 10021021091 and 10021021100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2598910 + ... + 2602762.

It is an arithmetic number, because the mean of its divisors is an integer number (432187560).

Almost surely, 2^10021021108 is an apocalyptic number.

It is an amenable number.

10021021108 is an abundant number, since it is smaller than the sum of its proper divisors (10723981772).

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

10021021108 is a wasteful number, since it uses less digits than its factorization.

10021021108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7096 (or 7094 counting only the distinct ones).

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

Adding to 10021021108 its reverse (80112012001), we get a palindrome (90133033109).

The spelling of 10021021108 in words is "ten billion, twenty-one million, twenty-one thousand, one hundred eight".