1111223113 has 32 divisors (see below), whose sum is σ = 1570544640. Its totient is φ = 757200960.

The previous prime is 1111223101. The next prime is 1111223149. The reversal of 1111223113 is 3113221111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1111223113 - 2¹⁷ = 1111092041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1111223213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10195 + ... + 48232.

It is an arithmetic number, because the mean of its divisors is an integer number (49079520).

Almost surely, 2^1111223113 is an apocalyptic number.

1111223113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1111223113 is a deficient number, since it is larger than the sum of its proper divisors (459321527).

1111223113 is a wasteful number, since it uses less digits than its factorization.

1111223113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58477.

The product of its digits is 36, while the sum is 16.

The square root of 1111223113 is about 33335.0133193314. The cubic root of 1111223113 is about 1035.7789690730.

Adding to 1111223113 its reverse (3113221111), we get a palindrome (4224444224).

It can be divided in two parts, 11112 and 23113, that added together give a square (34225 = 185²).

The spelling of 1111223113 in words is "one billion, one hundred eleven million, two hundred twenty-three thousand, one hundred thirteen".