20212210322231 has 4 divisors (see below), whose sum is σ = 20275971238392. Its totient is φ = 20148449406072.

The previous prime is 20212210322207. The next prime is 20212210322287. The reversal of 20212210322231 is 13222301221202.

It is a happy number.

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 20212210322231 - 2⁶ = 20212210322167 is a prime.

It is a super-2 number, since 2×20212210322231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20212210322197 and 20212210322206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212210324231) 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, 31880457605 + ... + 31880458238.

It is an arithmetic number, because the mean of its divisors is an integer number (5068992809598).

Almost surely, 2^{20212210322231} is an apocalyptic number.

20212210322231 is a deficient number, since it is larger than the sum of its proper divisors (63760916161).

20212210322231 is an equidigital number, since it uses as much as digits as its factorization.

20212210322231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63760916160.

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

Adding to 20212210322231 its reverse (13222301221202), we get a palindrome (33434511543433).

The spelling of 20212210322231 in words is "twenty trillion, two hundred twelve billion, two hundred ten million, three hundred twenty-two thousand, two hundred thirty-one".