120321021003100 has 36 divisors (see below), whose sum is σ = 261146076206400. Its totient is φ = 48119291234560.

The previous prime is 120321021003023. The next prime is 120321021003119. The reversal of 120321021003100 is 1300120123021.

It is a super-2 number, since 2×120321021003100² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113434045 + ... + 114489844.

It is an arithmetic number, because the mean of its divisors is an integer number (7254057672400).

Almost surely, 2^{120321021003100} is an apocalyptic number.

120321021003100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120321021003100 is an abundant number, since it is smaller than the sum of its proper divisors (140825055203300).

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

120321021003100 is a wasteful number, since it uses less digits than its factorization.

120321021003100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227929182 (or 227929175 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 120321021003100 its reverse (1300120123021), we get a palindrome (121621141126121).

The spelling of 120321021003100 in words is "one hundred twenty trillion, three hundred twenty-one billion, twenty-one million, three thousand, one hundred".