1111011321233 has 4 divisors (see below), whose sum is σ = 1212012350448. Its totient is φ = 1010010292020.

The previous prime is 1111011321221. The next prime is 1111011321317. The reversal of 1111011321233 is 3321231101111.

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 1111011321233 - 2⁶ = 1111011321169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111011320233) 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, 50500514591 + ... + 50500514612.

It is an arithmetic number, because the mean of its divisors is an integer number (303003087612).

Almost surely, 2^{1111011321233} is an apocalyptic number.

It is an amenable number.

1111011321233 is a deficient number, since it is larger than the sum of its proper divisors (101001029215).

1111011321233 is a wasteful number, since it uses less digits than its factorization.

1111011321233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101001029214.

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

Adding to 1111011321233 its reverse (3321231101111), we get a palindrome (4432242422344).

The spelling of 1111011321233 in words is "one trillion, one hundred eleven billion, eleven million, three hundred twenty-one thousand, two hundred thirty-three".