10112311121 has 4 divisors (see below), whose sum is σ = 11031612144. Its totient is φ = 9193010100.

The previous prime is 10112311117. The next prime is 10112311171. The reversal of 10112311121 is 12111321101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10112311121 - 2² = 10112311117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10112311096 and 10112311105.

It is not an unprimeable number, because it can be changed into a prime (10112311171) 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, 459650495 + ... + 459650516.

It is an arithmetic number, because the mean of its divisors is an integer number (2757903036).

Almost surely, 2^10112311121 is an apocalyptic number.

10112311121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10112311121 is a deficient number, since it is larger than the sum of its proper divisors (919301023).

10112311121 is an equidigital number, since it uses as much as digits as its factorization.

10112311121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919301022.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 10112311121 its reverse (12111321101), we get a palindrome (22223632222).

It can be divided in two parts, 1011 and 2311121, that added together give a palindrome (2312132).

The spelling of 10112311121 in words is "ten billion, one hundred twelve million, three hundred eleven thousand, one hundred twenty-one".