2212012111129 has 2 divisors, whose sum is σ = 2212012111130. Its totient is φ = 2212012111128.

The previous prime is 2212012111093. The next prime is 2212012111139. The reversal of 2212012111129 is 9211112102122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2211844149529 + 167961600 = 1487227^2 + 12960^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212012111129 - 2⁹ = 2212012110617 is a prime.

It is not a weakly prime, because it can be changed into another prime (2212012111139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106006055564 + 1106006055565.

It is an arithmetic number, because the mean of its divisors is an integer number (1106006055565).

Almost surely, 2^{2212012111129} is an apocalyptic number.

It is an amenable number.

2212012111129 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212012111129 is an equidigital number, since it uses as much as digits as its factorization.

2212012111129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 25.

The spelling of 2212012111129 in words is "two trillion, two hundred twelve billion, twelve million, one hundred eleven thousand, one hundred twenty-nine".