10113211111 has 16 divisors (see below), whose sum is σ = 10788422400. Its totient is φ = 9452611008.

The previous prime is 10113211099. The next prime is 10113211123. The reversal of 10113211111 is 11111231101.

10113211111 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10113211099) and next prime (10113211123).

It is a cyclic number.

It is not a de Polignac number, because 10113211111 - 2⁷ = 10113210983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10113211091 and 10113211100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10113211211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1271830 + ... + 1279756.

It is an arithmetic number, because the mean of its divisors is an integer number (674276400).

Almost surely, 2^10113211111 is an apocalyptic number.

10113211111 is a deficient number, since it is larger than the sum of its proper divisors (675211289).

10113211111 is an equidigital number, since it uses as much as digits as its factorization.

10113211111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8838.

The product of its (nonzero) digits is 6, while the sum is 13.

Adding to 10113211111 its reverse (11111231101), we get a palindrome (21224442212).

The spelling of 10113211111 in words is "ten billion, one hundred thirteen million, two hundred eleven thousand, one hundred eleven".