10321120404 has 72 divisors (see below), whose sum is σ = 30543834048. Its totient is φ = 2876964480.

The previous prime is 10321120399. The next prime is 10321120409. The reversal of 10321120404 is 40402112301.

It is an interprime number because it is at equal distance from previous prime (10321120399) and next prime (10321120409).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10321120409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 489142 + ... + 509805.

Almost surely, 2^10321120404 is an apocalyptic number.

10321120404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

10321120404 is an abundant number, since it is smaller than the sum of its proper divisors (20222713644).

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

10321120404 is a wasteful number, since it uses less digits than its factorization.

10321120404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999005 (or 999000 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 10321120404 its reverse (40402112301), we get a palindrome (50723232705).

The spelling of 10321120404 in words is "ten billion, three hundred twenty-one million, one hundred twenty thousand, four hundred four".