100023013202261 has 2 divisors, whose sum is σ = 100023013202262. Its totient is φ = 100023013202260.

The previous prime is 100023013202251. The next prime is 100023013202279. The reversal of 100023013202261 is 162202310320001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99827954063236 + 195059139025 = 9991394^2 + 441655^2 .

It is a cyclic number.

It is not a de Polignac number, because 100023013202261 - 2³⁸ = 99748135295317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100023013202251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50011506601130 + 50011506601131.

It is an arithmetic number, because the mean of its divisors is an integer number (50011506601131).

Almost surely, 2^{100023013202261} is an apocalyptic number.

It is an amenable number.

100023013202261 is a deficient number, since it is larger than the sum of its proper divisors (1).

100023013202261 is an equidigital number, since it uses as much as digits as its factorization.

100023013202261 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 100023013202261 its reverse (162202310320001), we get a palindrome (262225323522262).

The spelling of 100023013202261 in words is "one hundred trillion, twenty-three billion, thirteen million, two hundred two thousand, two hundred sixty-one".