10321012100 has 54 divisors (see below), whose sum is σ = 26053195770. Its totient is φ = 3538631040.

The previous prime is 10321012087. The next prime is 10321012129. The reversal of 10321012100 is 121012301.

It can be written as a sum of positive squares in 3 ways, for example, as 21603904 + 10299408196 = 4648^2 + 101486^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1048265 + ... + 1058064.

Almost surely, 2^10321012100 is an apocalyptic number.

10321012100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10321012100 is an abundant number, since it is smaller than the sum of its proper divisors (15732183670).

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

10321012100 is a wasteful number, since it uses less digits than its factorization.

10321012100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2106357 (or 2106343 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 10321012100 its reverse (121012301), we get a palindrome (10442024401).

The spelling of 10321012100 in words is "ten billion, three hundred twenty-one million, twelve thousand, one hundred".