10401321100 has 36 divisors (see below), whose sum is σ = 22790023984. Its totient is φ = 4120130880.

The previous prime is 10401321023. The next prime is 10401321103. The reversal of 10401321100 is 112310401.

It is not an unprimeable number, because it can be changed into a prime (10401321103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 494619 + ... + 515218.

Almost surely, 2^10401321100 is an apocalyptic number.

10401321100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10401321100 is an abundant number, since it is smaller than the sum of its proper divisors (12388702884).

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

10401321100 is a wasteful number, since it uses less digits than its factorization.

10401321100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009954 (or 1009947 counting only the distinct ones).

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

Adding to 10401321100 its reverse (112310401), we get a palindrome (10513631501).

The spelling of 10401321100 in words is "ten billion, four hundred one million, three hundred twenty-one thousand, one hundred".