11122020233 has 4 divisors (see below), whose sum is σ = 11131282068. Its totient is φ = 11112758400.

The previous prime is 11122020229. The next prime is 11122020241. The reversal of 11122020233 is 33202022111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33202022111 = 18593 ⋅1785727.

It can be written as a sum of positive squares in 2 ways, for example, as 5685612409 + 5436407824 = 75403^2 + 73732^2 .

It is a cyclic number.

It is not a de Polignac number, because 11122020233 - 2² = 11122020229 is a prime.

It is a super-2 number, since 2×11122020233² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11122020223) 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, 4629116 + ... + 4631517.

It is an arithmetic number, because the mean of its divisors is an integer number (2782820517).

Almost surely, 2^11122020233 is an apocalyptic number.

It is an amenable number.

11122020233 is a deficient number, since it is larger than the sum of its proper divisors (9261835).

11122020233 is an equidigital number, since it uses as much as digits as its factorization.

11122020233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9261834.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 11122020233 its reverse (33202022111), we get a palindrome (44324042344).

The spelling of 11122020233 in words is "eleven billion, one hundred twenty-two million, twenty thousand, two hundred thirty-three".