11013111 has 8 divisors (see below), whose sum is σ = 16315760. Its totient is φ = 7342056.

The previous prime is 11013097. The next prime is 11013131. The reversal of 11013111 is 11131011.

It is not a de Polignac number, because 11013111 - 2⁶ = 11013047 is a prime.

It is a super-2 number, since 2×11013111² = 242577227796642, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11013093 and 11013102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11013131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203920 + ... + 203973.

It is an arithmetic number, because the mean of its divisors is an integer number (2039470).

Almost surely, 2^11013111 is an apocalyptic number.

11013111 is a deficient number, since it is larger than the sum of its proper divisors (5302649).

11013111 is an equidigital number, since it uses as much as digits as its factorization.

11013111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407902 (or 407896 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 9.

The square root of 11013111 is about 3318.6007593563. The cubic root of 11013111 is about 222.4863333776.

Adding to 11013111 its reverse (11131011), we get a palindrome (22144122).

The spelling of 11013111 in words is "eleven million, thirteen thousand, one hundred eleven".