102233012261 has 2 divisors, whose sum is σ = 102233012262. Its totient is φ = 102233012260.

The previous prime is 102233012249. The next prime is 102233012267. The reversal of 102233012261 is 162210332201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101576064100 + 656948161 = 318710^2 + 25631^2 .

It is a cyclic number.

It is not a de Polignac number, because 102233012261 - 2⁶ = 102233012197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102233012267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51116506130 + 51116506131.

It is an arithmetic number, because the mean of its divisors is an integer number (51116506131).

Almost surely, 2^102233012261 is an apocalyptic number.

It is an amenable number.

102233012261 is a deficient number, since it is larger than the sum of its proper divisors (1).

102233012261 is an equidigital number, since it uses as much as digits as its factorization.

102233012261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 102233012261 its reverse (162210332201), we get a palindrome (264443344462).

The spelling of 102233012261 in words is "one hundred two billion, two hundred thirty-three million, twelve thousand, two hundred sixty-one".