122111819582437 has 2 divisors, whose sum is σ = 122111819582438. Its totient is φ = 122111819582436.

The previous prime is 122111819582429. The next prime is 122111819582447. The reversal of 122111819582437 is 734285918111221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61996080790081 + 60115738792356 = 7873759^2 + 7753434^2 .

It is a cyclic number.

It is not a de Polignac number, because 122111819582437 - 2³ = 122111819582429 is a prime.

It is a super-2 number, since 2×122111819582437² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122111819582407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61055909791218 + 61055909791219.

It is an arithmetic number, because the mean of its divisors is an integer number (61055909791219).

Almost surely, 2^{122111819582437} is an apocalyptic number.

It is an amenable number.

122111819582437 is a deficient number, since it is larger than the sum of its proper divisors (1).

122111819582437 is an equidigital number, since it uses as much as digits as its factorization.

122111819582437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1935360, while the sum is 55.

The spelling of 122111819582437 in words is "one hundred twenty-two trillion, one hundred eleven billion, eight hundred nineteen million, five hundred eighty-two thousand, four hundred thirty-seven".