121013201022100 has 36 divisors (see below), whose sum is σ = 274015978667424. Its totient is φ = 46300702998880.

The previous prime is 121013201022097. The next prime is 121013201022101. The reversal of 121013201022100 is 1220102310121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121013201022101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26307215314 + ... + 26307219913.

It is an arithmetic number, because the mean of its divisors is an integer number (7611554962984).

Almost surely, 2^{121013201022100} is an apocalyptic number.

121013201022100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121013201022100 is an abundant number, since it is smaller than the sum of its proper divisors (153002777645324).

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

121013201022100 is a wasteful number, since it uses less digits than its factorization.

121013201022100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52614435264 (or 52614435257 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 121013201022100 its reverse (1220102310121), we get a palindrome (122233303332221).

The spelling of 121013201022100 in words is "one hundred twenty-one trillion, thirteen billion, two hundred one million, twenty-two thousand, one hundred".