121119985837 has 2 divisors, whose sum is σ = 121119985838. Its totient is φ = 121119985836.

The previous prime is 121119985801. The next prime is 121119985841. The reversal of 121119985837 is 738589911121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95324092516 + 25795893321 = 308746^2 + 160611^2 .

It is a cyclic number.

It is not a de Polignac number, because 121119985837 - 2²⁷ = 120985768109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121119985037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60559992918 + 60559992919.

It is an arithmetic number, because the mean of its divisors is an integer number (60559992919).

Almost surely, 2^121119985837 is an apocalyptic number.

It is an amenable number.

121119985837 is a deficient number, since it is larger than the sum of its proper divisors (1).

121119985837 is an equidigital number, since it uses as much as digits as its factorization.

121119985837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 55.

The spelling of 121119985837 in words is "one hundred twenty-one billion, one hundred nineteen million, nine hundred eighty-five thousand, eight hundred thirty-seven".