22010220123 has 4 divisors (see below), whose sum is σ = 29346960168. Its totient is φ = 14673480080.

The previous prime is 22010220077. The next prime is 22010220149. The reversal of 22010220123 is 32102201022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22010220123 - 2¹³ = 22010211931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22010220163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3668370018 + ... + 3668370023.

It is an arithmetic number, because the mean of its divisors is an integer number (7336740042).

Almost surely, 2^22010220123 is an apocalyptic number.

22010220123 is a deficient number, since it is larger than the sum of its proper divisors (7336740045).

22010220123 is an equidigital number, since it uses as much as digits as its factorization.

22010220123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7336740044.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 22010220123 its reverse (32102201022), we get a palindrome (54112421145).

The spelling of 22010220123 in words is "twenty-two billion, ten million, two hundred twenty thousand, one hundred twenty-three".