100012102111 has 2 divisors, whose sum is σ = 100012102112. Its totient is φ = 100012102110.

The previous prime is 100012102081. The next prime is 100012102129. The reversal of 100012102111 is 111201210001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100012102111 - 2⁵ = 100012102079 is a prime.

It is a super-2 number, since 2×100012102111² (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 (100012102171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50006051055 + 50006051056.

It is an arithmetic number, because the mean of its divisors is an integer number (50006051056).

Almost surely, 2^100012102111 is an apocalyptic number.

100012102111 is a deficient number, since it is larger than the sum of its proper divisors (1).

100012102111 is an equidigital number, since it uses as much as digits as its factorization.

100012102111 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 10.

Adding to 100012102111 its reverse (111201210001), we get a palindrome (211213312112).

It can be divided in two parts, 10001 and 2102111, that added together give a palindrome (2112112).

The spelling of 100012102111 in words is "one hundred billion, twelve million, one hundred two thousand, one hundred eleven".