22112010077 has 2 divisors, whose sum is σ = 22112010078. Its totient is φ = 22112010076.

The previous prime is 22112010073. The next prime is 22112010091. The reversal of 22112010077 is 77001021122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20802004441 + 1310005636 = 144229^2 + 36194^2 .

It is a cyclic number.

It is not a de Polignac number, because 22112010077 - 2² = 22112010073 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22112010071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11056005038 + 11056005039.

It is an arithmetic number, because the mean of its divisors is an integer number (11056005039).

Almost surely, 2^22112010077 is an apocalyptic number.

It is an amenable number.

22112010077 is a deficient number, since it is larger than the sum of its proper divisors (1).

22112010077 is an equidigital number, since it uses as much as digits as its factorization.

22112010077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 392, while the sum is 23.

Adding to 22112010077 its reverse (77001021122), we get a palindrome (99113031199).

The spelling of 22112010077 in words is "twenty-two billion, one hundred twelve million, ten thousand, seventy-seven".