2205100129 has 2 divisors, whose sum is σ = 2205100130. Its totient is φ = 2205100128.

The previous prime is 2205100109. The next prime is 2205100147. The reversal of 2205100129 is 9210015022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1415490129 + 789610000 = 37623^2 + 28100^2 .

It is a cyclic number.

It is not a de Polignac number, because 2205100129 - 2²⁹ = 1668229217 is a prime.

It is not a weakly prime, because it can be changed into another prime (2205100109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1102550064 + 1102550065.

It is an arithmetic number, because the mean of its divisors is an integer number (1102550065).

Almost surely, 2^2205100129 is an apocalyptic number.

It is an amenable number.

2205100129 is a deficient number, since it is larger than the sum of its proper divisors (1).

2205100129 is an equidigital number, since it uses as much as digits as its factorization.

2205100129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 2205100129 is about 46958.4936832518. The cubic root of 2205100129 is about 1301.5956991203.

The spelling of 2205100129 in words is "two billion, two hundred five million, one hundred thousand, one hundred twenty-nine".