12102110051 has 2 divisors, whose sum is σ = 12102110052. Its totient is φ = 12102110050.

The previous prime is 12102109993. The next prime is 12102110063. The reversal of 12102110051 is 15001120121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12102110051 is a prime.

It is a super-2 number, since 2×12102110051² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12102110071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6051055025 + 6051055026.

It is an arithmetic number, because the mean of its divisors is an integer number (6051055026).

Almost surely, 2^12102110051 is an apocalyptic number.

12102110051 is a deficient number, since it is larger than the sum of its proper divisors (1).

12102110051 is an equidigital number, since it uses as much as digits as its factorization.

12102110051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20, while the sum is 14.

Adding to 12102110051 its reverse (15001120121), we get a palindrome (27103230172).

It can be divided in two parts, 121021 and 10051, that added together give a 17-th power (131072 = 2¹⁷).

The spelling of 12102110051 in words is "twelve billion, one hundred two million, one hundred ten thousand, fifty-one".