22212020320031 has 2 divisors, whose sum is σ = 22212020320032. Its totient is φ = 22212020320030.

The previous prime is 22212020319989. The next prime is 22212020320117. The reversal of 22212020320031 is 13002302021222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22212020320031 - 2¹⁴ = 22212020303647 is a prime.

It is a super-3 number, since 3×22212020320031³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 22212020319985 and 22212020320012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22212020320331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11106010160015 + 11106010160016.

It is an arithmetic number, because the mean of its divisors is an integer number (11106010160016).

Almost surely, 2^{22212020320031} is an apocalyptic number.

22212020320031 is a deficient number, since it is larger than the sum of its proper divisors (1).

22212020320031 is an equidigital number, since it uses as much as digits as its factorization.

22212020320031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22212020320031 its reverse (13002302021222), we get a palindrome (35214322341253).

The spelling of 22212020320031 in words is "twenty-two trillion, two hundred twelve billion, twenty million, three hundred twenty thousand, thirty-one".