212201313311 has 32 divisors (see below), whose sum is σ = 243241367040. Its totient is φ = 183624566400.

The previous prime is 212201313299. The next prime is 212201313323. The reversal of 212201313311 is 113313102212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (212201313299) and next prime (212201313323).

It is a de Polignac number, because none of the positive numbers 2^k-212201313311 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 (212201316311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5821001 + ... + 5857341.

It is an arithmetic number, because the mean of its divisors is an integer number (7601292720).

Almost surely, 2^212201313311 is an apocalyptic number.

212201313311 is a deficient number, since it is larger than the sum of its proper divisors (31040053729).

212201313311 is a wasteful number, since it uses less digits than its factorization.

212201313311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36767.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 212201313311 its reverse (113313102212), we get a palindrome (325514415523).

The spelling of 212201313311 in words is "two hundred twelve billion, two hundred one million, three hundred thirteen thousand, three hundred eleven".