2112150220249 has 2 divisors, whose sum is σ = 2112150220250. Its totient is φ = 2112150220248.

The previous prime is 2112150220207. The next prime is 2112150220261. The reversal of 2112150220249 is 9420220512112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1215638553600 + 896511666649 = 1102560^2 + 946843^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112150220249 - 2⁹ = 2112150219737 is a prime.

It is a super-2 number, since 2×2112150220249² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2112150220249.

It is not a weakly prime, because it can be changed into another prime (2112150220289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056075110124 + 1056075110125.

It is an arithmetic number, because the mean of its divisors is an integer number (1056075110125).

Almost surely, 2^{2112150220249} is an apocalyptic number.

It is an amenable number.

2112150220249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112150220249 is an equidigital number, since it uses as much as digits as its factorization.

2112150220249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 31.

The spelling of 2112150220249 in words is "two trillion, one hundred twelve billion, one hundred fifty million, two hundred twenty thousand, two hundred forty-nine".