2111204441429 has 2 divisors, whose sum is σ = 2111204441430. Its totient is φ = 2111204441428.

The previous prime is 2111204441363. The next prime is 2111204441441. The reversal of 2111204441429 is 9241444021112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1797382642225 + 313821799204 = 1340665^2 + 560198^2 .

It is a cyclic number.

It is not a de Polignac number, because 2111204441429 - 2⁸ = 2111204441173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2111204441629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055602220714 + 1055602220715.

It is an arithmetic number, because the mean of its divisors is an integer number (1055602220715).

Almost surely, 2^{2111204441429} is an apocalyptic number.

It is an amenable number.

2111204441429 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111204441429 is an equidigital number, since it uses as much as digits as its factorization.

2111204441429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 35.

The spelling of 2111204441429 in words is "two trillion, one hundred eleven billion, two hundred four million, four hundred forty-one thousand, four hundred twenty-nine".