2221932911137 has 2 divisors, whose sum is σ = 2221932911138. Its totient is φ = 2221932911136.

The previous prime is 2221932911057. The next prime is 2221932911171. The reversal of 2221932911137 is 7311192391222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1235663452816 + 986269458321 = 1111604^2 + 993111^2 .

It is a cyclic number.

It is not a de Polignac number, because 2221932911137 - 2³⁹ = 1672177097249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2221932911093 and 2221932911102.

It is not a weakly prime, because it can be changed into another prime (2221932711137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110966455568 + 1110966455569.

It is an arithmetic number, because the mean of its divisors is an integer number (1110966455569).

Almost surely, 2^{2221932911137} is an apocalyptic number.

It is an amenable number.

2221932911137 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221932911137 is an equidigital number, since it uses as much as digits as its factorization.

2221932911137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 43.

The spelling of 2221932911137 in words is "two trillion, two hundred twenty-one billion, nine hundred thirty-two million, nine hundred eleven thousand, one hundred thirty-seven".