12211122201023 has 2 divisors, whose sum is σ = 12211122201024. Its totient is φ = 12211122201022.

The previous prime is 12211122201017. The next prime is 12211122201037. The reversal of 12211122201023 is 32010222111221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12211122201023 - 2¹² = 12211122196927 is a prime.

It is a super-2 number, since 2×12211122201023² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 12211122200986 and 12211122201004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12211122201043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105561100511 + 6105561100512.

It is an arithmetic number, because the mean of its divisors is an integer number (6105561100512).

Almost surely, 2^{12211122201023} is an apocalyptic number.

12211122201023 is a deficient number, since it is larger than the sum of its proper divisors (1).

12211122201023 is an equidigital number, since it uses as much as digits as its factorization.

12211122201023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 12211122201023 its reverse (32010222111221), we get a palindrome (44221344312244).

The spelling of 12211122201023 in words is "twelve trillion, two hundred eleven billion, one hundred twenty-two million, two hundred one thousand, twenty-three".