22101010121077 has 2 divisors, whose sum is σ = 22101010121078. Its totient is φ = 22101010121076.

The previous prime is 22101010120999. The next prime is 22101010121089. The reversal of 22101010121077 is 77012101010122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16798923625201 + 5302086495876 = 4098649^2 + 2302626^2 .

It is a cyclic number.

It is not a de Polignac number, because 22101010121077 - 2⁷ = 22101010120949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22101010121977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050505060538 + 11050505060539.

It is an arithmetic number, because the mean of its divisors is an integer number (11050505060539).

Almost surely, 2^{22101010121077} is an apocalyptic number.

It is an amenable number.

22101010121077 is a deficient number, since it is larger than the sum of its proper divisors (1).

22101010121077 is an equidigital number, since it uses as much as digits as its factorization.

22101010121077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 392, while the sum is 25.

Adding to 22101010121077 its reverse (77012101010122), we get a palindrome (99113111131199).

The spelling of 22101010121077 in words is "twenty-two trillion, one hundred one billion, ten million, one hundred twenty-one thousand, seventy-seven".