100521010231 has 2 divisors, whose sum is σ = 100521010232. Its totient is φ = 100521010230.

The previous prime is 100521010211. The next prime is 100521010241. The reversal of 100521010231 is 132010125001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100521010231 - 2¹¹ = 100521008183 is a prime.

It is a super-2 number, since 2×100521010231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100521010201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50260505115 + 50260505116.

It is an arithmetic number, because the mean of its divisors is an integer number (50260505116).

Almost surely, 2^100521010231 is an apocalyptic number.

100521010231 is a deficient number, since it is larger than the sum of its proper divisors (1).

100521010231 is an equidigital number, since it uses as much as digits as its factorization.

100521010231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 16.

Adding to 100521010231 its reverse (132010125001), we get a palindrome (232531135232).

The spelling of 100521010231 in words is "one hundred billion, five hundred twenty-one million, ten thousand, two hundred thirty-one".