121010220959 has 2 divisors, whose sum is σ = 121010220960. Its totient is φ = 121010220958.

The previous prime is 121010220941. The next prime is 121010220983. The reversal of 121010220959 is 959022010121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121010220959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121010280959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60505110479 + 60505110480.

It is an arithmetic number, because the mean of its divisors is an integer number (60505110480).

Almost surely, 2^121010220959 is an apocalyptic number.

121010220959 is a deficient number, since it is larger than the sum of its proper divisors (1).

121010220959 is an equidigital number, since it uses as much as digits as its factorization.

121010220959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 32.

The spelling of 121010220959 in words is "one hundred twenty-one billion, ten million, two hundred twenty thousand, nine hundred fifty-nine".