22100120149 has 2 divisors, whose sum is σ = 22100120150. Its totient is φ = 22100120148.

The previous prime is 22100120089. The next prime is 22100120167. The reversal of 22100120149 is 94102100122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19006758225 + 3093361924 = 137865^2 + 55618^2 .

It is a cyclic number.

It is not a de Polignac number, because 22100120149 - 2¹¹ = 22100118101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22100120179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050060074 + 11050060075.

It is an arithmetic number, because the mean of its divisors is an integer number (11050060075).

Almost surely, 2^22100120149 is an apocalyptic number.

It is an amenable number.

22100120149 is a deficient number, since it is larger than the sum of its proper divisors (1).

22100120149 is an equidigital number, since it uses as much as digits as its factorization.

22100120149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 22100120149 in words is "twenty-two billion, one hundred million, one hundred twenty thousand, one hundred forty-nine".