22111110221129 has 2 divisors, whose sum is σ = 22111110221130. Its totient is φ = 22111110221128.

The previous prime is 22111110220967. The next prime is 22111110221251. The reversal of 22111110221129 is 92112201111122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16025193909904 + 6085916311225 = 4003148^2 + 2466965^2 .

It is a cyclic number.

It is not a de Polignac number, because 22111110221129 - 2¹² = 22111110217033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22111110221098 and 22111110221107.

It is not a weakly prime, because it can be changed into another prime (22111110221929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055555110564 + 11055555110565.

It is an arithmetic number, because the mean of its divisors is an integer number (11055555110565).

Almost surely, 2^{22111110221129} is an apocalyptic number.

It is an amenable number.

22111110221129 is a deficient number, since it is larger than the sum of its proper divisors (1).

22111110221129 is an equidigital number, since it uses as much as digits as its factorization.

22111110221129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 26.

The spelling of 22111110221129 in words is "twenty-two trillion, one hundred eleven billion, one hundred ten million, two hundred twenty-one thousand, one hundred twenty-nine".