10100331021 has 32 divisors (see below), whose sum is σ = 15397355520. Its totient is φ = 5829595200.

The previous prime is 10100331001. The next prime is 10100331037. The reversal of 10100331021 is 12013300101.

It is not a de Polignac number, because 10100331021 - 2⁶ = 10100330957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10100330988 and 10100331006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10100331001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144756 + ... + 202866.

It is an arithmetic number, because the mean of its divisors is an integer number (481167360).

Almost surely, 2^10100331021 is an apocalyptic number.

10100331021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10100331021 is a deficient number, since it is larger than the sum of its proper divisors (5297024499).

10100331021 is a wasteful number, since it uses less digits than its factorization.

10100331021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58377.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 10100331021 its reverse (12013300101), we get a palindrome (22113631122).

The spelling of 10100331021 in words is "ten billion, one hundred million, three hundred thirty-one thousand, twenty-one".