1113223011 has 4 divisors (see below), whose sum is σ = 1484297352. Its totient is φ = 742148672.

The previous prime is 1113223009. The next prime is 1113223031. The reversal of 1113223011 is 1103223111.

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 1113223011 - 2¹ = 1113223009 is a prime.

It is a super-2 number, since 2×1113223011² = 2478530944439812242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1113223031) 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, 185537166 + ... + 185537171.

It is an arithmetic number, because the mean of its divisors is an integer number (371074338).

Almost surely, 2^1113223011 is an apocalyptic number.

1113223011 is a deficient number, since it is larger than the sum of its proper divisors (371074341).

1113223011 is an equidigital number, since it uses as much as digits as its factorization.

1113223011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371074340.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1113223011 is about 33364.9967930465. The cubic root of 1113223011 is about 1036.3999697292.

Adding to 1113223011 its reverse (1103223111), we get a palindrome (2216446122).

It can be divided in two parts, 11132 and 23011, that added together give a palindrome (34143).

The spelling of 1113223011 in words is "one billion, one hundred thirteen million, two hundred twenty-three thousand, eleven".