10103122111 has 4 divisors (see below), whose sum is σ = 10634865400. Its totient is φ = 9571378824.

The previous prime is 10103122103. The next prime is 10103122121. The reversal of 10103122111 is 11122130101.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 10103122111 - 2³ = 10103122103 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10103122091 and 10103122100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10103122121) 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, 265871616 + ... + 265871653.

It is an arithmetic number, because the mean of its divisors is an integer number (2658716350).

Almost surely, 2^10103122111 is an apocalyptic number.

10103122111 is a deficient number, since it is larger than the sum of its proper divisors (531743289).

10103122111 is an equidigital number, since it uses as much as digits as its factorization.

10103122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531743288.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 10103122111 its reverse (11122130101), we get a palindrome (21225252212).

The spelling of 10103122111 in words is "ten billion, one hundred three million, one hundred twenty-two thousand, one hundred eleven".