10013021000 has 64 divisors (see below), whose sum is σ = 23929102080. Its totient is φ = 3919972800.

The previous prime is 10013020991. The next prime is 10013021003. The reversal of 10013021000 is 12031001.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is not an unprimeable number, because it can be changed into a prime (10013021003) 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, 59522 + ... + 153521.

It is an arithmetic number, because the mean of its divisors is an integer number (373892220).

Almost surely, 2^10013021000 is an apocalyptic number.

10013021000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10013021000 is an abundant number, since it is smaller than the sum of its proper divisors (13916081080).

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

10013021000 is a wasteful number, since it uses less digits than its factorization.

10013021000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213111 (or 213097 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

Adding to 10013021000 its reverse (12031001), we get a palindrome (10025052001).

The spelling of 10013021000 in words is "ten billion, thirteen million, twenty-one thousand".