121002100192 has 24 divisors (see below), whose sum is σ = 238607775000. Its totient is φ = 60403300224.

The previous prime is 121002100189. The next prime is 121002100211. The reversal of 121002100192 is 291001200121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3034567 + ... + 3074182.

It is an arithmetic number, because the mean of its divisors is an integer number (9941990625).

Almost surely, 2^121002100192 is an apocalyptic number.

It is an amenable number.

121002100192 is a deficient number, since it is larger than the sum of its proper divisors (117605674808).

121002100192 is an equidigital number, since it uses as much as digits as its factorization.

121002100192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6109378 (or 6109370 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 121002100192 in words is "one hundred twenty-one billion, two million, one hundred thousand, one hundred ninety-two".