1122212120149 has 2 divisors, whose sum is σ = 1122212120150. Its totient is φ = 1122212120148.

The previous prime is 1122212120147. The next prime is 1122212120171. The reversal of 1122212120149 is 9410212122211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1023061446225 + 99150673924 = 1011465^2 + 314882^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122212120149 - 2¹ = 1122212120147 is a prime.

It is a super-2 number, since 2×1122212120149² (a number of 25 digits) contains 22 as substring.

Together with 1122212120147, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122212120147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561106060074 + 561106060075.

It is an arithmetic number, because the mean of its divisors is an integer number (561106060075).

Almost surely, 2^{1122212120149} is an apocalyptic number.

It is an amenable number.

1122212120149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122212120149 is an equidigital number, since it uses as much as digits as its factorization.

1122212120149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 1122212120149 in words is "one trillion, one hundred twenty-two billion, two hundred twelve million, one hundred twenty thousand, one hundred forty-nine".