22113000023281 has 2 divisors, whose sum is σ = 22113000023282. Its totient is φ = 22113000023280.

The previous prime is 22113000023273. The next prime is 22113000023321. The reversal of 22113000023281 is 18232000031122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14334250323600 + 7778749699681 = 3786060^2 + 2789041^2 .

It is a cyclic number.

It is not a de Polignac number, because 22113000023281 - 2³ = 22113000023273 is a prime.

It is a super-2 number, since 2×22113000023281² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22113000023251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11056500011640 + 11056500011641.

It is an arithmetic number, because the mean of its divisors is an integer number (11056500011641).

Almost surely, 2^{22113000023281} is an apocalyptic number.

It is an amenable number.

22113000023281 is a deficient number, since it is larger than the sum of its proper divisors (1).

22113000023281 is an equidigital number, since it uses as much as digits as its factorization.

22113000023281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 22113000023281 in words is "twenty-two trillion, one hundred thirteen billion, twenty-three thousand, two hundred eighty-one".