121701924866 has 32 divisors (see below), whose sum is σ = 185112926208. Its totient is φ = 60004788480.

The previous prime is 121701924829. The next prime is 121701924901. The reversal of 121701924866 is 668429107121.

It is a happy number.

It is a super-2 number, since 2×121701924866² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121701924866.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31832231 + ... + 31836053.

It is an arithmetic number, because the mean of its divisors is an integer number (5784778944).

Almost surely, 2^121701924866 is an apocalyptic number.

121701924866 is a deficient number, since it is larger than the sum of its proper divisors (63411001342).

121701924866 is a wasteful number, since it uses less digits than its factorization.

121701924866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4706.

The product of its (nonzero) digits is 290304, while the sum is 47.

The spelling of 121701924866 in words is "one hundred twenty-one billion, seven hundred one million, nine hundred twenty-four thousand, eight hundred sixty-six".