121002011110100 has 72 divisors (see below), whose sum is σ = 263226027456000. Its totient is φ = 48280761692800.

The previous prime is 121002011110073. The next prime is 121002011110103. The reversal of 121002011110100 is 1011110200121.

121002011110100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121002011110103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121601585 + ... + 122592615.

It is an arithmetic number, because the mean of its divisors is an integer number (3655917048000).

Almost surely, 2^{121002011110100} is an apocalyptic number.

121002011110100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121002011110100 is an abundant number, since it is smaller than the sum of its proper divisors (142224016345900).

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

121002011110100 is a wasteful number, since it uses less digits than its factorization.

121002011110100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994073 (or 994066 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 121002011110100 its reverse (1011110200121), we get a palindrome (122013121310221).

The spelling of 121002011110100 in words is "one hundred twenty-one trillion, two billion, eleven million, one hundred ten thousand, one hundred".