100021323331320 has 32 divisors (see below), whose sum is σ = 300063969994320. Its totient is φ = 26672352888320.

The previous prime is 100021323331297. The next prime is 100021323331333. The reversal of 100021323331320 is 23133323120001.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416755513761 + ... + 416755514000.

Almost surely, 2^{100021323331320} is an apocalyptic number.

100021323331320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100021323331320 is an abundant number, since it is smaller than the sum of its proper divisors (200042646663000).

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

100021323331320 is a wasteful number, since it uses less digits than its factorization.

100021323331320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833511027775 (or 833511027771 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 100021323331320 its reverse (23133323120001), we get a palindrome (123154646451321).

The spelling of 100021323331320 in words is "one hundred trillion, twenty-one billion, three hundred twenty-three million, three hundred thirty-one thousand, three hundred twenty".