121010021011092 has 96 divisors (see below), whose sum is σ = 300565820620800. Its totient is φ = 37783229628672.

The previous prime is 121010021011051. The next prime is 121010021011093. The reversal of 121010021011092 is 290110120010121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121010021011093) 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 31 ways as a sum of consecutive naturals, for example, 968738503 + ... + 968863409.

It is an arithmetic number, because the mean of its divisors is an integer number (3130893964800).

Almost surely, 2^{121010021011092} is an apocalyptic number.

121010021011092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121010021011092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150282910310400).

121010021011092 is an abundant number, since it is smaller than the sum of its proper divisors (179555799609708).

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

121010021011092 is a wasteful number, since it uses less digits than its factorization.

121010021011092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172765 (or 172763 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 21.

The spelling of 121010021011092 in words is "one hundred twenty-one trillion, ten billion, twenty-one million, eleven thousand, ninety-two".