1133012111 has 32 divisors (see below), whose sum is σ = 1445465088. Its totient is φ = 862467840.

The previous prime is 1133012099. The next prime is 1133012137. The reversal of 1133012111 is 1112103311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1133012111 - 2¹⁴ = 1132995727 is a prime.

It is a super-3 number, since 3×1133012111³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133012171) 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 31 ways as a sum of consecutive naturals, for example, 1276910 + ... + 1277796.

It is an arithmetic number, because the mean of its divisors is an integer number (45170784).

Almost surely, 2^1133012111 is an apocalyptic number.

1133012111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1133012111 is a deficient number, since it is larger than the sum of its proper divisors (312452977).

1133012111 is a wasteful number, since it uses less digits than its factorization.

1133012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 1133012111 is about 33660.2452605444. The cubic root of 1133012111 is about 1042.5050899272.

Adding to 1133012111 its reverse (1112103311), we get a palindrome (2245115422).

The spelling of 1133012111 in words is "one billion, one hundred thirty-three million, twelve thousand, one hundred eleven".