211022202320312 has 16 divisors (see below), whose sum is σ = 395668731305400. Its totient is φ = 105510540638880.

The previous prime is 211022202320299. The next prime is 211022202320317. The reversal of 211022202320312 is 213023202220112.

It is a happy number.

It is a super-2 number, since 2×211022202320312² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211022202320317) 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, 68462987 + ... + 71478842.

Almost surely, 2^{211022202320312} is an apocalyptic number.

It is an amenable number.

211022202320312 is a deficient number, since it is larger than the sum of its proper divisors (184646528985088).

211022202320312 is a wasteful number, since it uses less digits than its factorization.

211022202320312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140130326 (or 140130322 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 211022202320312 its reverse (213023202220112), we get a palindrome (424045404540424).

The spelling of 211022202320312 in words is "two hundred eleven trillion, twenty-two billion, two hundred two million, three hundred twenty thousand, three hundred twelve".