22001020222123 has 2 divisors, whose sum is σ = 22001020222124. Its totient is φ = 22001020222122.

The previous prime is 22001020222121. The next prime is 22001020222189. The reversal of 22001020222123 is 32122202010022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22001020222123 - 2¹ = 22001020222121 is a prime.

Together with 22001020222121, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 22001020222123.

It is not a weakly prime, because it can be changed into another prime (22001020222121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000510111061 + 11000510111062.

It is an arithmetic number, because the mean of its divisors is an integer number (11000510111062).

Almost surely, 2^{22001020222123} is an apocalyptic number.

22001020222123 is a deficient number, since it is larger than the sum of its proper divisors (1).

22001020222123 is an equidigital number, since it uses as much as digits as its factorization.

22001020222123 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 22001020222123 its reverse (32122202010022), we get a palindrome (54123222232145).

The spelling of 22001020222123 in words is "twenty-two trillion, one billion, twenty million, two hundred twenty-two thousand, one hundred twenty-three".