2221111100969 has 2 divisors, whose sum is σ = 2221111100970. Its totient is φ = 2221111100968.

The previous prime is 2221111100911. The next prime is 2221111101017. The reversal of 2221111100969 is 9690011111222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1490792160400 + 730318940569 = 1220980^2 + 854587^2 .

It is a cyclic number.

It is not a de Polignac number, because 2221111100969 - 2²⁸ = 2220842665513 is a prime.

It is a super-2 number, since 2×2221111100969² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2221311100969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110555550484 + 1110555550485.

It is an arithmetic number, because the mean of its divisors is an integer number (1110555550485).

Almost surely, 2^{2221111100969} is an apocalyptic number.

It is an amenable number.

2221111100969 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221111100969 is an equidigital number, since it uses as much as digits as its factorization.

2221111100969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 35.

The spelling of 2221111100969 in words is "two trillion, two hundred twenty-one billion, one hundred eleven million, one hundred thousand, nine hundred sixty-nine".