121201120086 has 16 divisors (see below), whose sum is σ = 242405781168. Its totient is φ = 40399783200.

The previous prime is 121201120069. The next prime is 121201120087. The reversal of 121201120086 is 680021102121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121201120087) by changing a digit.

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, 554076 + ... + 741216.

It is an arithmetic number, because the mean of its divisors is an integer number (15150361323).

Almost surely, 2^121201120086 is an apocalyptic number.

121201120086 is an abundant number, since it is smaller than the sum of its proper divisors (121204661082).

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

121201120086 is a wasteful number, since it uses less digits than its factorization.

121201120086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295087.

The product of its (nonzero) digits is 384, while the sum is 24.

The spelling of 121201120086 in words is "one hundred twenty-one billion, two hundred one million, one hundred twenty thousand, eighty-six".