2211302220133 has 4 divisors (see below), whose sum is σ = 2211662784268. Its totient is φ = 2210941656000.

The previous prime is 2211302220103. The next prime is 2211302220137. The reversal of 2211302220133 is 3310222031122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1616208775204 + 595093444929 = 1271302^2 + 771423^2 .

It is a cyclic number.

It is not a de Polignac number, because 2211302220133 - 2³³ = 2202712285541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211302220137) 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, 180272868 + ... + 180285133.

It is an arithmetic number, because the mean of its divisors is an integer number (552915696067).

Almost surely, 2^{2211302220133} is an apocalyptic number.

It is an amenable number.

2211302220133 is a deficient number, since it is larger than the sum of its proper divisors (360564135).

2211302220133 is an equidigital number, since it uses as much as digits as its factorization.

2211302220133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360564134.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2211302220133 its reverse (3310222031122), we get a palindrome (5521524251255).

The spelling of 2211302220133 in words is "two trillion, two hundred eleven billion, three hundred two million, two hundred twenty thousand, one hundred thirty-three".