22110221111969 has 2 divisors, whose sum is σ = 22110221111970. Its totient is φ = 22110221111968.

The previous prime is 22110221111939. The next prime is 22110221112047. The reversal of 22110221111969 is 96911112201122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21830947969600 + 279273142369 = 4672360^2 + 528463^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22110221111969 is a prime.

It is a super-2 number, since 2×22110221111969² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22110221111939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055110555984 + 11055110555985.

It is an arithmetic number, because the mean of its divisors is an integer number (11055110555985).

Almost surely, 2^{22110221111969} is an apocalyptic number.

It is an amenable number.

22110221111969 is a deficient number, since it is larger than the sum of its proper divisors (1).

22110221111969 is an equidigital number, since it uses as much as digits as its factorization.

22110221111969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 38.

The spelling of 22110221111969 in words is "twenty-two trillion, one hundred ten billion, two hundred twenty-one million, one hundred eleven thousand, nine hundred sixty-nine".