120020112021100 has 36 divisors (see below), whose sum is σ = 260444384180064. Its totient is φ = 48007908201280.

The previous prime is 120020112021067. The next prime is 120020112021107. The reversal of 120020112021100 is 1120211020021.

It is not an unprimeable number, because it can be changed into a prime (120020112021107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38266989 + ... + 41284411.

It is an arithmetic number, because the mean of its divisors is an integer number (7234566227224).

Almost surely, 2^{120020112021100} is an apocalyptic number.

120020112021100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120020112021100 is an abundant number, since it is smaller than the sum of its proper divisors (140424272158964).

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

120020112021100 is a wasteful number, since it uses less digits than its factorization.

120020112021100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3415194 (or 3415187 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120020112021100 its reverse (1120211020021), we get a palindrome (121140323041121).

The spelling of 120020112021100 in words is "one hundred twenty trillion, twenty billion, one hundred twelve million, twenty-one thousand, one hundred".