2112211121149 has 2 divisors, whose sum is σ = 2112211121150. Its totient is φ = 2112211121148.

The previous prime is 2112211121131. The next prime is 2112211121173. The reversal of 2112211121149 is 9411211122112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2076279264900 + 35931856249 = 1440930^2 + 189557^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112211121149 - 2¹¹ = 2112211119101 is a prime.

It is a super-2 number, since 2×2112211121149² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112211161149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056105560574 + 1056105560575.

It is an arithmetic number, because the mean of its divisors is an integer number (1056105560575).

Almost surely, 2^{2112211121149} is an apocalyptic number.

It is an amenable number.

2112211121149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112211121149 is an equidigital number, since it uses as much as digits as its factorization.

2112211121149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 28.

The spelling of 2112211121149 in words is "two trillion, one hundred twelve billion, two hundred eleven million, one hundred twenty-one thousand, one hundred forty-nine".