2211303212303 has 4 divisors (see below), whose sum is σ = 2287555047240. Its totient is φ = 2135051377368.

The previous prime is 2211303212273. The next prime is 2211303212323. The reversal of 2211303212303 is 3032123031122.

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

It is a cyclic number.

It is not a de Polignac number, because 2211303212303 - 2⁸ = 2211303212047 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 (2211303212323) 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, 38125917425 + ... + 38125917482.

It is an arithmetic number, because the mean of its divisors is an integer number (571888761810).

Almost surely, 2^{2211303212303} is an apocalyptic number.

2211303212303 is a deficient number, since it is larger than the sum of its proper divisors (76251834937).

2211303212303 is an equidigital number, since it uses as much as digits as its factorization.

2211303212303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76251834936.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 2211303212303 its reverse (3032123031122), we get a palindrome (5243426243425).

The spelling of 2211303212303 in words is "two trillion, two hundred eleven billion, three hundred three million, two hundred twelve thousand, three hundred three".