121221098032 has 40 divisors (see below), whose sum is σ = 235654622496. Its totient is φ = 60407187456.

The previous prime is 121221097997. The next prime is 121221098057. The reversal of 121221098032 is 230890122121.

It is a junction number, because it is equal to n+sod(n) for n = 121221097985 and 121221098003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13759773 + ... + 13768579.

Almost surely, 2^121221098032 is an apocalyptic number.

It is an amenable number.

121221098032 is a deficient number, since it is larger than the sum of its proper divisors (114433524464).

121221098032 is a wasteful number, since it uses less digits than its factorization.

121221098032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11605 (or 11599 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The spelling of 121221098032 in words is "one hundred twenty-one billion, two hundred twenty-one million, ninety-eight thousand, thirty-two".