22111210112149 has 2 divisors, whose sum is σ = 22111210112150. Its totient is φ = 22111210112148.

The previous prime is 22111210112077. The next prime is 22111210112153. The reversal of 22111210112149 is 94121101211122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19818656794225 + 2292553317924 = 4451815^2 + 1514118^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22111210112149 is a prime.

It is a super-2 number, since 2×22111210112149² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22111210115149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055605056074 + 11055605056075.

It is an arithmetic number, because the mean of its divisors is an integer number (11055605056075).

Almost surely, 2^{22111210112149} is an apocalyptic number.

It is an amenable number.

22111210112149 is a deficient number, since it is larger than the sum of its proper divisors (1).

22111210112149 is an equidigital number, since it uses as much as digits as its factorization.

22111210112149 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 28.

The spelling of 22111210112149 in words is "twenty-two trillion, one hundred eleven billion, two hundred ten million, one hundred twelve thousand, one hundred forty-nine".