2221133231233 has 24 divisors (see below), whose sum is σ = 2673225434880. Its totient is φ = 1837929733920.

The previous prime is 2221133231221. The next prime is 2221133231293. The reversal of 2221133231233 is 3321323311222.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-2221133231233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2221133231293) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10758448 + ... + 10962958.

It is an arithmetic number, because the mean of its divisors is an integer number (111384393120).

Almost surely, 2^{2221133231233} is an apocalyptic number.

It is an amenable number.

2221133231233 is a deficient number, since it is larger than the sum of its proper divisors (452092203647).

2221133231233 is a wasteful number, since it uses less digits than its factorization.

2221133231233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212197 (or 212190 counting only the distinct ones).

The product of its digits is 7776, while the sum is 28.

Adding to 2221133231233 its reverse (3321323311222), we get a palindrome (5542456542455).

The spelling of 2221133231233 in words is "two trillion, two hundred twenty-one billion, one hundred thirty-three million, two hundred thirty-one thousand, two hundred thirty-three".