11112133001 has 4 divisors (see below), whose sum is σ = 11113808400. Its totient is φ = 11110457604.

The previous prime is 11112132979. The next prime is 11112133007. The reversal of 11112133001 is 10033121111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11112133001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11112133007) 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, 827711 + ... + 841028.

It is an arithmetic number, because the mean of its divisors is an integer number (2778452100).

Almost surely, 2^11112133001 is an apocalyptic number.

It is an amenable number.

11112133001 is a deficient number, since it is larger than the sum of its proper divisors (1675399).

11112133001 is an equidigital number, since it uses as much as digits as its factorization.

11112133001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1675398.

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

Adding to 11112133001 its reverse (10033121111), we get a palindrome (21145254112).

The spelling of 11112133001 in words is "eleven billion, one hundred twelve million, one hundred thirty-three thousand, one".