100023302510561 has 2 divisors, whose sum is σ = 100023302510562. Its totient is φ = 100023302510560.

The previous prime is 100023302510539. The next prime is 100023302510569. The reversal of 100023302510561 is 165015203320001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98561212840000 + 1462089670561 = 9927800^2 + 1209169^2 .

It is a cyclic number.

It is not a de Polignac number, because 100023302510561 - 2¹⁴ = 100023302494177 is a prime.

It is a super-2 number, since 2×100023302510561² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100023302510569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50011651255280 + 50011651255281.

It is an arithmetic number, because the mean of its divisors is an integer number (50011651255281).

Almost surely, 2^{100023302510561} is an apocalyptic number.

It is an amenable number.

100023302510561 is a deficient number, since it is larger than the sum of its proper divisors (1).

100023302510561 is an equidigital number, since it uses as much as digits as its factorization.

100023302510561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 29.

Adding to 100023302510561 its reverse (165015203320001), we get a palindrome (265038505830562).

The spelling of 100023302510561 in words is "one hundred trillion, twenty-three billion, three hundred two million, five hundred ten thousand, five hundred sixty-one".