100230500501 has 2 divisors, whose sum is σ = 100230500502. Its totient is φ = 100230500500.

The previous prime is 100230500497. The next prime is 100230500521. The reversal of 100230500501 is 105005032001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99981807601 + 248692900 = 316199^2 + 15770^2 .

It is a cyclic number.

It is not a de Polignac number, because 100230500501 - 2² = 100230500497 is a prime.

It is a super-2 number, since 2×100230500501² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100230500501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100230500521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50115250250 + 50115250251.

It is an arithmetic number, because the mean of its divisors is an integer number (50115250251).

Almost surely, 2^100230500501 is an apocalyptic number.

It is an amenable number.

100230500501 is a deficient number, since it is larger than the sum of its proper divisors (1).

100230500501 is an equidigital number, since it uses as much as digits as its factorization.

100230500501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 150, while the sum is 17.

Adding to 100230500501 its reverse (105005032001), we get a palindrome (205235532502).

The spelling of 100230500501 in words is "one hundred billion, two hundred thirty million, five hundred thousand, five hundred one".