10122100111 has 4 divisors (see below), whose sum is σ = 10357497832. Its totient is φ = 9886702392.

The previous prime is 10122100063. The next prime is 10122100159. The reversal of 10122100111 is 11100122101.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (10122100063) and next prime (10122100159).

It is a cyclic number.

It is not a de Polignac number, because 10122100111 - 2²⁵ = 10088545679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10122101111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117698796 + ... + 117698881.

It is an arithmetic number, because the mean of its divisors is an integer number (2589374458).

Almost surely, 2^10122100111 is an apocalyptic number.

10122100111 is a deficient number, since it is larger than the sum of its proper divisors (235397721).

10122100111 is an equidigital number, since it uses as much as digits as its factorization.

10122100111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235397720.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10122100111 its reverse (11100122101), we get a palindrome (21222222212).

The spelling of 10122100111 in words is "ten billion, one hundred twenty-two million, one hundred thousand, one hundred eleven".