2201161129 has 4 divisors (see below), whose sum is σ = 2206245076. Its totient is φ = 2196077184.

The previous prime is 2201161097. The next prime is 2201161147. The reversal of 2201161129 is 9211611022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9211611022 = 2 ⋅4605805511.

It can be written as a sum of positive squares in 2 ways, for example, as 103063104 + 2098098025 = 10152^2 + 45805^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201161129 - 2⁵ = 2201161097 is a prime.

It is a super-2 number, since 2×2201161129² = 9690220631641109282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2201161159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2541324 + ... + 2542189.

It is an arithmetic number, because the mean of its divisors is an integer number (551561269).

Almost surely, 2^2201161129 is an apocalyptic number.

It is an amenable number.

2201161129 is a deficient number, since it is larger than the sum of its proper divisors (5083947).

2201161129 is an equidigital number, since it uses as much as digits as its factorization.

2201161129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5083946.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 2201161129 is about 46916.5336422034. The cubic root of 2201161129 is about 1300.8202178884.

The spelling of 2201161129 in words is "two billion, two hundred one million, one hundred sixty-one thousand, one hundred twenty-nine".