120321131100 has 72 divisors (see below), whose sum is σ = 348475039920. Its totient is φ = 32053754880.

The previous prime is 120321131093. The next prime is 120321131153. The reversal of 120321131100 is 1131123021.

It is a happy number.

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 120321131100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103954 + ... + 501446.

It is an arithmetic number, because the mean of its divisors is an integer number (4839931110).

Almost surely, 2^120321131100 is an apocalyptic number.

120321131100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120321131100 is an abundant number, since it is smaller than the sum of its proper divisors (228153908820).

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

120321131100 is a wasteful number, since it uses less digits than its factorization.

120321131100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398519 (or 398512 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 120321131100 its reverse (1131123021), we get a palindrome (121452254121).

The spelling of 120321131100 in words is "one hundred twenty billion, three hundred twenty-one million, one hundred thirty-one thousand, one hundred".