1113211144 has 16 divisors (see below), whose sum is σ = 2090663100. Its totient is φ = 555700992.

The previous prime is 1113211117. The next prime is 1113211181. The reversal of 1113211144 is 4411123111.

It can be written as a sum of positive squares in 2 ways, for example, as 890306244 + 222904900 = 29838^2 + 14930^2 .

It is a super-2 number, since 2×1113211144² = 2478478102251577472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107829 + ... + 117700.

Almost surely, 2^1113211144 is an apocalyptic number.

It is an amenable number.

1113211144 is a deficient number, since it is larger than the sum of its proper divisors (977451956).

1113211144 is a wasteful number, since it uses less digits than its factorization.

1113211144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226152 (or 226148 counting only the distinct ones).

The product of its digits is 96, while the sum is 19.

The square root of 1113211144 is about 33364.8189564997. The cubic root of 1113211144 is about 1036.3962870283.

Adding to 1113211144 its reverse (4411123111), we get a palindrome (5524334255).

The spelling of 1113211144 in words is "one billion, one hundred thirteen million, two hundred eleven thousand, one hundred forty-four".