22113134977 has 2 divisors, whose sum is σ = 22113134978. Its totient is φ = 22113134976.

The previous prime is 22113134969. The next prime is 22113135007. The reversal of 22113134977 is 77943131122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16201216656 + 5911918321 = 127284^2 + 76889^2 .

It is a cyclic number.

It is not a de Polignac number, because 22113134977 - 2³ = 22113134969 is a prime.

It is a super-2 number, since 2×22113134977² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22113134947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11056567488 + 11056567489.

It is an arithmetic number, because the mean of its divisors is an integer number (11056567489).

Almost surely, 2^22113134977 is an apocalyptic number.

It is an amenable number.

22113134977 is a deficient number, since it is larger than the sum of its proper divisors (1).

22113134977 is an equidigital number, since it uses as much as digits as its factorization.

22113134977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504, while the sum is 40.

The spelling of 22113134977 in words is "twenty-two billion, one hundred thirteen million, one hundred thirty-four thousand, nine hundred seventy-seven".