1111332243 has 16 divisors (see below), whose sum is σ = 1694269440. Its totient is φ = 634742976.

The previous prime is 1111332241. The next prime is 1111332251. The reversal of 1111332243 is 3422331111.

It is not a de Polignac number, because 1111332243 - 2¹ = 1111332241 is a prime.

It is a super-2 number, since 2×1111332243² = 2470118708662822098, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1111332241) 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, 36718 + ... + 59756.

It is an arithmetic number, because the mean of its divisors is an integer number (105891840).

Almost surely, 2^1111332243 is an apocalyptic number.

1111332243 is a deficient number, since it is larger than the sum of its proper divisors (582937197).

1111332243 is a wasteful number, since it uses less digits than its factorization.

1111332243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25346.

The product of its digits is 432, while the sum is 21.

The square root of 1111332243 is about 33336.6501466479. The cubic root of 1111332243 is about 1035.8128749129.

Adding to 1111332243 its reverse (3422331111), we get a palindrome (4533663354).

The spelling of 1111332243 in words is "one billion, one hundred eleven million, three hundred thirty-two thousand, two hundred forty-three".