10012102111111 has 2 divisors, whose sum is σ = 10012102111112. Its totient is φ = 10012102111110.

The previous prime is 10012102111057. The next prime is 10012102111117. The reversal of 10012102111111 is 11111120121001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10012102111111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10012102111091 and 10012102111100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10012102111117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5006051055555 + 5006051055556.

It is an arithmetic number, because the mean of its divisors is an integer number (5006051055556).

Almost surely, 2^{10012102111111} is an apocalyptic number.

10012102111111 is a deficient number, since it is larger than the sum of its proper divisors (1).

10012102111111 is an equidigital number, since it uses as much as digits as its factorization.

10012102111111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 10012102111111 its reverse (11111120121001), we get a palindrome (21123222232112).

The spelling of 10012102111111 in words is "ten trillion, twelve billion, one hundred two million, one hundred eleven thousand, one hundred eleven".