10321121020 has 24 divisors (see below), whose sum is σ = 24770690784. Its totient is φ = 3538670016.

The previous prime is 10321121003. The next prime is 10321121021. The reversal of 10321121020 is 2012112301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10321121021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36861007 + ... + 36861286.

It is an arithmetic number, because the mean of its divisors is an integer number (1032112116).

Almost surely, 2^10321121020 is an apocalyptic number.

10321121020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10321121020 is an abundant number, since it is smaller than the sum of its proper divisors (14449569764).

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

10321121020 is a wasteful number, since it uses less digits than its factorization.

10321121020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73722309 (or 73722307 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 10321121020 its reverse (2012112301), we get a palindrome (12333233321).

The spelling of 10321121020 in words is "ten billion, three hundred twenty-one million, one hundred twenty-one thousand, twenty".