22031211322123 has 2 divisors, whose sum is σ = 22031211322124. Its totient is φ = 22031211322122.

The previous prime is 22031211322093. The next prime is 22031211322139. The reversal of 22031211322123 is 32122311213022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22031211322123 - 2²¹ = 22031209224971 is a prime.

It is not a weakly prime, because it can be changed into another prime (22031211322823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11015605661061 + 11015605661062.

It is an arithmetic number, because the mean of its divisors is an integer number (11015605661062).

Almost surely, 2^{22031211322123} is an apocalyptic number.

22031211322123 is a deficient number, since it is larger than the sum of its proper divisors (1).

22031211322123 is an equidigital number, since it uses as much as digits as its factorization.

22031211322123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 22031211322123 its reverse (32122311213022), we get a palindrome (54153522535145).

The spelling of 22031211322123 in words is "twenty-two trillion, thirty-one billion, two hundred eleven million, three hundred twenty-two thousand, one hundred twenty-three".