42122211222149 has 2 divisors, whose sum is σ = 42122211222150. Its totient is φ = 42122211222148.

The previous prime is 42122211222107. The next prime is 42122211222197. The reversal of 42122211222149 is 94122211222124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26763219129124 + 15358992093025 = 5173318^2 + 3919055^2 .

It is a cyclic number.

It is not a de Polignac number, because 42122211222149 - 2¹² = 42122211218053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42122211122149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21061105611074 + 21061105611075.

It is an arithmetic number, because the mean of its divisors is an integer number (21061105611075).

Almost surely, 2^{42122211222149} is an apocalyptic number.

It is an amenable number.

42122211222149 is a deficient number, since it is larger than the sum of its proper divisors (1).

42122211222149 is an equidigital number, since it uses as much as digits as its factorization.

42122211222149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 35.

The spelling of 42122211222149 in words is "forty-two trillion, one hundred twenty-two billion, two hundred eleven million, two hundred twenty-two thousand, one hundred forty-nine".