100201121120 has 24 divisors (see below), whose sum is σ = 236725149024. Its totient is φ = 40080448384.

The previous prime is 100201121101. The next prime is 100201121129. The reversal of 100201121120 is 21121102001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100201121129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313128344 + ... + 313128663.

It is an arithmetic number, because the mean of its divisors is an integer number (9863547876).

Almost surely, 2^100201121120 is an apocalyptic number.

100201121120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100201121120 is an abundant number, since it is smaller than the sum of its proper divisors (136524027904).

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

100201121120 is an equidigital number, since it uses as much as digits as its factorization.

100201121120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626257022 (or 626257014 counting only the distinct ones).

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

Adding to 100201121120 its reverse (21121102001), we get a palindrome (121322223121).

The spelling of 100201121120 in words is "one hundred billion, two hundred one million, one hundred twenty-one thousand, one hundred twenty".