121221022000986 has 32 divisors (see below), whose sum is σ = 269677050156480. Its totient is φ = 40362457143888.

The previous prime is 121221022000951. The next prime is 121221022001021. The reversal of 121221022000986 is 689000220122121.

121221022000986 is a `hidden beast` number, since 1 + 212 + 210 + 220 + 0 + 0 + 9 + 8 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (121221022000951) and next prime (121221022001021).

It is a self number, because there is not a number n which added to its sum of digits gives 121221022000986.

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, 1237455841 + ... + 1237553796.

It is an arithmetic number, because the mean of its divisors is an integer number (8427407817390).

Almost surely, 2^{121221022000986} is an apocalyptic number.

121221022000986 is an abundant number, since it is smaller than the sum of its proper divisors (148456028155494).

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

121221022000986 is a wasteful number, since it uses less digits than its factorization.

121221022000986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2475010555 (or 2475010549 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The spelling of 121221022000986 in words is "one hundred twenty-one trillion, two hundred twenty-one billion, twenty-two million, nine hundred eighty-six", and thus it is an aban number.