1101111133 has 8 divisors (see below), whose sum is σ = 1112038400. Its totient is φ = 1090199088.

The previous prime is 1101111107. The next prime is 1101111149. The reversal of 1101111133 is 3311111011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1101111133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101111163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188860 + ... + 194602.

It is an arithmetic number, because the mean of its divisors is an integer number (139004800).

Almost surely, 2^1101111133 is an apocalyptic number.

It is an amenable number.

1101111133 is a deficient number, since it is larger than the sum of its proper divisors (10927267).

1101111133 is a wasteful number, since it uses less digits than its factorization.

1101111133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7611.

The product of its (nonzero) digits is 9, while the sum is 13.

The square root of 1101111133 is about 33182.9946358071. The cubic root of 1101111133 is about 1032.6275744003.

Adding to 1101111133 its reverse (3311111011), we get a palindrome (4412222144).

The spelling of 1101111133 in words is "one billion, one hundred one million, one hundred eleven thousand, one hundred thirty-three".