22121122102203 has 4 divisors (see below), whose sum is σ = 29494829469608. Its totient is φ = 14747414734800.

The previous prime is 22121122102199. The next prime is 22121122102241. The reversal of 22121122102203 is 30220122112122.

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

It is not a de Polignac number, because 22121122102203 - 2² = 22121122102199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22121122102203.

It is not an unprimeable number, because it can be changed into a prime (22121122102243) 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, 3686853683698 + ... + 3686853683703.

It is an arithmetic number, because the mean of its divisors is an integer number (7373707367402).

Almost surely, 2^{22121122102203} is an apocalyptic number.

22121122102203 is a deficient number, since it is larger than the sum of its proper divisors (7373707367405).

22121122102203 is an equidigital number, since it uses as much as digits as its factorization.

22121122102203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7373707367404.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 22121122102203 its reverse (30220122112122), we get a palindrome (52341244214325).

The spelling of 22121122102203 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred twenty-two million, one hundred two thousand, two hundred three".