22220102120977 has 2 divisors, whose sum is σ = 22220102120978. Its totient is φ = 22220102120976.

The previous prime is 22220102120939. The next prime is 22220102121023. The reversal of 22220102120977 is 77902120102222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16386312096001 + 5833790024976 = 4048001^2 + 2415324^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22220102120977 is a prime.

It is not a weakly prime, because it can be changed into another prime (22220102120917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110051060488 + 11110051060489.

It is an arithmetic number, because the mean of its divisors is an integer number (11110051060489).

Almost surely, 2^{22220102120977} is an apocalyptic number.

It is an amenable number.

22220102120977 is a deficient number, since it is larger than the sum of its proper divisors (1).

22220102120977 is an equidigital number, since it uses as much as digits as its factorization.

22220102120977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 37.

The spelling of 22220102120977 in words is "twenty-two trillion, two hundred twenty billion, one hundred two million, one hundred twenty thousand, nine hundred seventy-seven".