501202130111 has 2 divisors, whose sum is σ = 501202130112. Its totient is φ = 501202130110.

The previous prime is 501202130041. The next prime is 501202130171. The reversal of 501202130111 is 111031202105.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 501202130111 - 2¹⁸ = 501201867967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 501202130111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (501202130171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250601065055 + 250601065056.

It is an arithmetic number, because the mean of its divisors is an integer number (250601065056).

Almost surely, 2^501202130111 is an apocalyptic number.

501202130111 is a deficient number, since it is larger than the sum of its proper divisors (1).

501202130111 is an equidigital number, since it uses as much as digits as its factorization.

501202130111 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 17.

Adding to 501202130111 its reverse (111031202105), we get a palindrome (612233332216).

The spelling of 501202130111 in words is "five hundred one billion, two hundred two million, one hundred thirty thousand, one hundred eleven".