22011001222123 has 2 divisors, whose sum is σ = 22011001222124. Its totient is φ = 22011001222122.

The previous prime is 22011001222099. The next prime is 22011001222139. The reversal of 22011001222123 is 32122210011022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22011001222123 - 2¹³ = 22011001213931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22011001222123.

It is not a weakly prime, because it can be changed into another prime (22011001222193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11005500611061 + 11005500611062.

It is an arithmetic number, because the mean of its divisors is an integer number (11005500611062).

Almost surely, 2^{22011001222123} is an apocalyptic number.

22011001222123 is a deficient number, since it is larger than the sum of its proper divisors (1).

22011001222123 is an equidigital number, since it uses as much as digits as its factorization.

22011001222123 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 19.

Adding to 22011001222123 its reverse (32122210011022), we get a palindrome (54133211233145).

The spelling of 22011001222123 in words is "twenty-two trillion, eleven billion, one million, two hundred twenty-two thousand, one hundred twenty-three".