212022221023 has 2 divisors, whose sum is σ = 212022221024. Its totient is φ = 212022221022.

The previous prime is 212022220981. The next prime is 212022221027. The reversal of 212022221023 is 320122220212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212022221023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212022221027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106011110511 + 106011110512.

It is an arithmetic number, because the mean of its divisors is an integer number (106011110512).

Almost surely, 2^212022221023 is an apocalyptic number.

212022221023 is a deficient number, since it is larger than the sum of its proper divisors (1).

212022221023 is an equidigital number, since it uses as much as digits as its factorization.

212022221023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 212022221023 its reverse (320122220212), we get a palindrome (532144441235).

The spelling of 212022221023 in words is "two hundred twelve billion, twenty-two million, two hundred twenty-one thousand, twenty-three".