222110012019977 has 2 divisors, whose sum is σ = 222110012019978. Its totient is φ = 222110012019976.

The previous prime is 222110012019941. The next prime is 222110012020031. The reversal of 222110012019977 is 779910210011222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 221563105920016 + 546906099961 = 14884996^2 + 739531^2 .

It is a cyclic number.

It is not a de Polignac number, because 222110012019977 - 2³⁶ = 222041292543241 is a prime.

It is not a weakly prime, because it can be changed into another prime (222110012049977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111055006009988 + 111055006009989.

It is an arithmetic number, because the mean of its divisors is an integer number (111055006009989).

Almost surely, 2^{222110012019977} is an apocalyptic number.

It is an amenable number.

222110012019977 is a deficient number, since it is larger than the sum of its proper divisors (1).

222110012019977 is an equidigital number, since it uses as much as digits as its factorization.

222110012019977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 44.

The spelling of 222110012019977 in words is "two hundred twenty-two trillion, one hundred ten billion, twelve million, nineteen thousand, nine hundred seventy-seven".