100001020121120 has 48 divisors (see below), whose sum is σ = 236288105605440. Its totient is φ = 39994364354304.

The previous prime is 100001020121087. The next prime is 100001020121179. The reversal of 100001020121120 is 21121020100001.

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, 46154012 + ... + 48272091.

It is an arithmetic number, because the mean of its divisors is an integer number (4922668866780).

Almost surely, 2^{100001020121120} is an apocalyptic number.

100001020121120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100001020121120 is an abundant number, since it is smaller than the sum of its proper divisors (136287085484320).

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

100001020121120 is an equidigital number, since it uses as much as digits as its factorization.

100001020121120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94432737 (or 94432729 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100001020121120 its reverse (21121020100001), we get a palindrome (121122040221121).

The spelling of 100001020121120 in words is "one hundred trillion, one billion, twenty million, one hundred twenty-one thousand, one hundred twenty".