20220323111 has 2 divisors, whose sum is σ = 20220323112. Its totient is φ = 20220323110.

The previous prime is 20220323099. The next prime is 20220323117. The reversal of 20220323111 is 11132302202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20220323111 - 2⁶ = 20220323047 is a prime.

It is a super-2 number, since 2×20220323111² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20220323111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20220323117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110161555 + 10110161556.

It is an arithmetic number, because the mean of its divisors is an integer number (10110161556).

Almost surely, 2^20220323111 is an apocalyptic number.

20220323111 is a deficient number, since it is larger than the sum of its proper divisors (1).

20220323111 is an equidigital number, since it uses as much as digits as its factorization.

20220323111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20220323111 its reverse (11132302202), we get a palindrome (31352625313).

The spelling of 20220323111 in words is "twenty billion, two hundred twenty million, three hundred twenty-three thousand, one hundred eleven".