149971222211 has 2 divisors, whose sum is σ = 149971222212. Its totient is φ = 149971222210.

The previous prime is 149971222171. The next prime is 149971222223. The reversal of 149971222211 is 112222179941.

It is a strong prime.

It is an emirp because it is prime and its reverse (112222179941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 149971222211 - 2⁶ = 149971222147 is a prime.

It is a super-2 number, since 2×149971222211² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (149971222241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74985611105 + 74985611106.

It is an arithmetic number, because the mean of its divisors is an integer number (74985611106).

Almost surely, 2^149971222211 is an apocalyptic number.

149971222211 is a deficient number, since it is larger than the sum of its proper divisors (1).

149971222211 is an equidigital number, since it uses as much as digits as its factorization.

149971222211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 41.

The spelling of 149971222211 in words is "one hundred forty-nine billion, nine hundred seventy-one million, two hundred twenty-two thousand, two hundred eleven".