20221111011089 has 2 divisors, whose sum is σ = 20221111011090. Its totient is φ = 20221111011088.

The previous prime is 20221111011041. The next prime is 20221111011091. The reversal of 20221111011089 is 98011011112202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17416099027600 + 2805011983489 = 4173260^2 + 1674817^2 .

It is a cyclic number.

It is not a de Polignac number, because 20221111011089 - 2⁸ = 20221111010833 is a prime.

Together with 20221111011091, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20221111011019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110555505544 + 10110555505545.

It is an arithmetic number, because the mean of its divisors is an integer number (10110555505545).

Almost surely, 2^{20221111011089} is an apocalyptic number.

It is an amenable number.

20221111011089 is a deficient number, since it is larger than the sum of its proper divisors (1).

20221111011089 is an equidigital number, since it uses as much as digits as its factorization.

20221111011089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 29.

The spelling of 20221111011089 in words is "twenty trillion, two hundred twenty-one billion, one hundred eleven million, eleven thousand, eighty-nine".