232100002261 has 2 divisors, whose sum is σ = 232100002262. Its totient is φ = 232100002260.

The previous prime is 232100002231. The next prime is 232100002289. The reversal of 232100002261 is 162200001232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 160184853361 + 71915148900 = 400231^2 + 268170^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232100002261 is a prime.

It is a super-2 number, since 2×232100002261² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232100002231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116050001130 + 116050001131.

It is an arithmetic number, because the mean of its divisors is an integer number (116050001131).

Almost surely, 2^232100002261 is an apocalyptic number.

It is an amenable number.

232100002261 is a deficient number, since it is larger than the sum of its proper divisors (1).

232100002261 is an equidigital number, since it uses as much as digits as its factorization.

232100002261 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 19.

Adding to 232100002261 its reverse (162200001232), we get a palindrome (394300003493).

The spelling of 232100002261 in words is "two hundred thirty-two billion, one hundred million, two thousand, two hundred sixty-one".