121021122083737 has 2 divisors, whose sum is σ = 121021122083738. Its totient is φ = 121021122083736.

The previous prime is 121021122083707. The next prime is 121021122083761. The reversal of 121021122083737 is 737380221120121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106393778749696 + 14627343334041 = 10314736^2 + 3824571^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121021122083737 is a prime.

It is a super-2 number, since 2×121021122083737² (a number of 29 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 121021122083737.

It is not a weakly prime, because it can be changed into another prime (121021122083707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60510561041868 + 60510561041869.

It is an arithmetic number, because the mean of its divisors is an integer number (60510561041869).

Almost surely, 2^{121021122083737} is an apocalyptic number.

It is an amenable number.

121021122083737 is a deficient number, since it is larger than the sum of its proper divisors (1).

121021122083737 is an equidigital number, since it uses as much as digits as its factorization.

121021122083737 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 40.

The spelling of 121021122083737 in words is "one hundred twenty-one trillion, twenty-one billion, one hundred twenty-two million, eighty-three thousand, seven hundred thirty-seven".