100120231320 has 32 divisors (see below), whose sum is σ = 300360694320. Its totient is φ = 26698728320.

The previous prime is 100120231303. The next prime is 100120231361. The reversal of 100120231320 is 23132021001.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 100120231320.

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, 417167511 + ... + 417167750.

Almost surely, 2^100120231320 is an apocalyptic number.

100120231320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100120231320 is an abundant number, since it is smaller than the sum of its proper divisors (200240463000).

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

100120231320 is a wasteful number, since it uses less digits than its factorization.

100120231320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834335275 (or 834335271 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 100120231320 its reverse (23132021001), we get a palindrome (123252252321).

The spelling of 100120231320 in words is "one hundred billion, one hundred twenty million, two hundred thirty-one thousand, three hundred twenty".