121121003321988 has 48 divisors (see below), whose sum is σ = 297004027467840. Its totient is φ = 38368941335424.

The previous prime is 121121003321987. The next prime is 121121003322047. The reversal of 121121003321988 is 889123300121121.

It is a super-3 number, since 3×121121003321988³ (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (121121003321987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3172016403 + ... + 3172054586.

It is an arithmetic number, because the mean of its divisors is an integer number (6187583905580).

Almost surely, 2^{121121003321988} is an apocalyptic number.

It is an amenable number.

121121003321988 is an abundant number, since it is smaller than the sum of its proper divisors (175883024145852).

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

121121003321988 is a wasteful number, since it uses less digits than its factorization.

121121003321988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6344071076 (or 6344071074 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 42.

The spelling of 121121003321988 in words is "one hundred twenty-one trillion, one hundred twenty-one billion, three million, three hundred twenty-one thousand, nine hundred eighty-eight".