23220121221203 has 16 divisors (see below), whose sum is σ = 23613360844416. Its totient is φ = 22829602904640.

The previous prime is 23220121221179. The next prime is 23220121221281. The reversal of 23220121221203 is 30212212102232.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 23220121221203 - 2⁶ = 23220121221139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23220121229203) 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 in 15 ways as a sum of consecutive naturals, for example, 219682775 + ... + 219788447.

It is an arithmetic number, because the mean of its divisors is an integer number (1475835052776).

Almost surely, 2^{23220121221203} is an apocalyptic number.

23220121221203 is a deficient number, since it is larger than the sum of its proper divisors (393239623213).

23220121221203 is a wasteful number, since it uses less digits than its factorization.

23220121221203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118514.

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

Adding to 23220121221203 its reverse (30212212102232), we get a palindrome (53432333323435).

The spelling of 23220121221203 in words is "twenty-three trillion, two hundred twenty billion, one hundred twenty-one million, two hundred twenty-one thousand, two hundred three".