22211110101977 has 2 divisors, whose sum is σ = 22211110101978. Its totient is φ = 22211110101976.

The previous prime is 22211110101959. The next prime is 22211110102003. The reversal of 22211110101977 is 77910101111222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21322820816896 + 888289285081 = 4617664^2 + 942491^2 .

It is a cyclic number.

It is not a de Polignac number, because 22211110101977 - 2⁸ = 22211110101721 is a prime.

It is not a weakly prime, because it can be changed into another prime (22211110701977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11105555050988 + 11105555050989.

It is an arithmetic number, because the mean of its divisors is an integer number (11105555050989).

Almost surely, 2^{22211110101977} is an apocalyptic number.

It is an amenable number.

22211110101977 is a deficient number, since it is larger than the sum of its proper divisors (1).

22211110101977 is an equidigital number, since it uses as much as digits as its factorization.

22211110101977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 35.

The spelling of 22211110101977 in words is "twenty-two trillion, two hundred eleven billion, one hundred ten million, one hundred one thousand, nine hundred seventy-seven".