1111211130233 has 4 divisors (see below), whose sum is σ = 1111525123920. Its totient is φ = 1110897136548.

The previous prime is 1111211130209. The next prime is 1111211130241. The reversal of 1111211130233 is 3320311121111.

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 not a de Polignac number, because 1111211130233 - 2²² = 1111206935929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111211130203) 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, 156991535 + ... + 156998612.

It is an arithmetic number, because the mean of its divisors is an integer number (277881280980).

Almost surely, 2^{1111211130233} is an apocalyptic number.

It is an amenable number.

1111211130233 is a deficient number, since it is larger than the sum of its proper divisors (313993687).

1111211130233 is an equidigital number, since it uses as much as digits as its factorization.

1111211130233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313993686.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 1111211130233 its reverse (3320311121111), we get a palindrome (4431522251344).

The spelling of 1111211130233 in words is "one trillion, one hundred eleven billion, two hundred eleven million, one hundred thirty thousand, two hundred thirty-three".