1123220011033 has 4 divisors (see below), whose sum is σ = 1123222578048. Its totient is φ = 1123217444020.

The previous prime is 1123220011027. The next prime is 1123220011093. The reversal of 1123220011033 is 3301100223211.

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-1123220011033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1123220011033.

It is not an unprimeable number, because it can be changed into a prime (1123220011013) 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, 444241 + ... + 1563262.

It is an arithmetic number, because the mean of its divisors is an integer number (280805644512).

Almost surely, 2^{1123220011033} is an apocalyptic number.

It is an amenable number.

1123220011033 is a deficient number, since it is larger than the sum of its proper divisors (2567015).

1123220011033 is an equidigital number, since it uses as much as digits as its factorization.

1123220011033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2567014.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1123220011033 its reverse (3301100223211), we get a palindrome (4424320234244).

The spelling of 1123220011033 in words is "one trillion, one hundred twenty-three billion, two hundred twenty million, eleven thousand, thirty-three".