121211111102000 has 80 divisors (see below), whose sum is σ = 302542933465344. Its totient is φ = 46920430080000.

The previous prime is 121211111101987. The next prime is 121211111102051. The reversal of 121211111102000 is 201111112121.

121211111102000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 977446961 + ... + 977570960.

Almost surely, 2^{121211111102000} is an apocalyptic number.

121211111102000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121211111102000 is an abundant number, since it is smaller than the sum of its proper divisors (181331822363344).

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

121211111102000 is a wasteful number, since it uses less digits than its factorization.

121211111102000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1955017975 (or 1955017959 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 121211111102000 its reverse (201111112121), we get a palindrome (121412222214121).

The spelling of 121211111102000 in words is "one hundred twenty-one trillion, two hundred eleven billion, one hundred eleven million, one hundred two thousand".