212203322311 has 4 divisors (see below), whose sum is σ = 212214233512. Its totient is φ = 212192411112.

The previous prime is 212203322249. The next prime is 212203322327. The reversal of 212203322311 is 113223302212.

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 212203322311 - 2²⁵ = 212169767879 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 (212203320311) 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, 5426376 + ... + 5465341.

It is an arithmetic number, because the mean of its divisors is an integer number (53053558378).

Almost surely, 2^212203322311 is an apocalyptic number.

212203322311 is a deficient number, since it is larger than the sum of its proper divisors (10911201).

212203322311 is a wasteful number, since it uses less digits than its factorization.

212203322311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10911200.

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

Adding to 212203322311 its reverse (113223302212), we get a palindrome (325426624523).

The spelling of 212203322311 in words is "two hundred twelve billion, two hundred three million, three hundred twenty-two thousand, three hundred eleven".