22144101123689 has 2 divisors, whose sum is σ = 22144101123690. Its totient is φ = 22144101123688.

The previous prime is 22144101123643. The next prime is 22144101123721. The reversal of 22144101123689 is 98632110144122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12027662120464 + 10116439003225 = 3468092^2 + 3180635^2 .

It is a cyclic number.

It is not a de Polignac number, because 22144101123689 - 2²⁴ = 22144084346473 is a prime.

It is a super-2 number, since 2×22144101123689² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22144101123289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11072050561844 + 11072050561845.

It is an arithmetic number, because the mean of its divisors is an integer number (11072050561845).

Almost surely, 2^{22144101123689} is an apocalyptic number.

It is an amenable number.

22144101123689 is a deficient number, since it is larger than the sum of its proper divisors (1).

22144101123689 is an equidigital number, since it uses as much as digits as its factorization.

22144101123689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 44.

The spelling of 22144101123689 in words is "twenty-two trillion, one hundred forty-four billion, one hundred one million, one hundred twenty-three thousand, six hundred eighty-nine".