22210321202123 has 4 divisors (see below), whose sum is σ = 22629383866368. Its totient is φ = 21791258537880.

The previous prime is 22210321202101. The next prime is 22210321202141. The reversal of 22210321202123 is 32120212301222.

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 22210321202123 - 2⁸ = 22210321201867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22210321202723) 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, 209531332043 + ... + 209531332148.

It is an arithmetic number, because the mean of its divisors is an integer number (5657345966592).

Almost surely, 2^{22210321202123} is an apocalyptic number.

22210321202123 is a deficient number, since it is larger than the sum of its proper divisors (419062664245).

22210321202123 is an equidigital number, since it uses as much as digits as its factorization.

22210321202123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419062664244.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 22210321202123 its reverse (32120212301222), we get a palindrome (54330533503345).

The spelling of 22210321202123 in words is "twenty-two trillion, two hundred ten billion, three hundred twenty-one million, two hundred two thousand, one hundred twenty-three".