2101201201129 has 2 divisors, whose sum is σ = 2101201201130. Its totient is φ = 2101201201128.

The previous prime is 2101201201097. The next prime is 2101201201147. The reversal of 2101201201129 is 9211021021012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1414548665104 + 686652536025 = 1189348^2 + 828645^2 .

It is a cyclic number.

It is not a de Polignac number, because 2101201201129 - 2⁵ = 2101201201097 is a prime.

It is not a weakly prime, because it can be changed into another prime (2101201201829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050600600564 + 1050600600565.

It is an arithmetic number, because the mean of its divisors is an integer number (1050600600565).

Almost surely, 2^{2101201201129} is an apocalyptic number.

It is an amenable number.

2101201201129 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101201201129 is an equidigital number, since it uses as much as digits as its factorization.

2101201201129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 2101201201129 in words is "two trillion, one hundred one billion, two hundred one million, two hundred one thousand, one hundred twenty-nine".