2122055362981 has 2 divisors, whose sum is σ = 2122055362982. Its totient is φ = 2122055362980.

The previous prime is 2122055362979. The next prime is 2122055362991. The reversal of 2122055362981 is 1892635502212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2112252382881 + 9802980100 = 1453359^2 + 99010^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122055362981 - 2¹ = 2122055362979 is a prime.

It is a super-2 number, since 2×2122055362981² (a number of 25 digits) contains 22 as substring.

Together with 2122055362979, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122055362961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061027681490 + 1061027681491.

It is an arithmetic number, because the mean of its divisors is an integer number (1061027681491).

Almost surely, 2^{2122055362981} is an apocalyptic number.

It is an amenable number.

2122055362981 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122055362981 is an equidigital number, since it uses as much as digits as its factorization.

2122055362981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 2122055362981 in words is "two trillion, one hundred twenty-two billion, fifty-five million, three hundred sixty-two thousand, nine hundred eighty-one".