213022111303 has 4 divisors (see below), whose sum is σ = 213023530840. Its totient is φ = 213020691768.

The previous prime is 213022111231. The next prime is 213022111331. The reversal of 213022111303 is 303111220312.

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 213022111303 - 2¹⁷ = 213021980231 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 (213022111343) 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, 453933 + ... + 795046.

It is an arithmetic number, because the mean of its divisors is an integer number (53255882710).

Almost surely, 2^213022111303 is an apocalyptic number.

213022111303 is a deficient number, since it is larger than the sum of its proper divisors (1419537).

213022111303 is a wasteful number, since it uses less digits than its factorization.

213022111303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419536.

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

Adding to 213022111303 its reverse (303111220312), we get a palindrome (516133331615).

The spelling of 213022111303 in words is "two hundred thirteen billion, twenty-two million, one hundred eleven thousand, three hundred three".