22201201320123 has 32 divisors (see below), whose sum is σ = 34527904473600. Its totient is φ = 12683796615840.

The previous prime is 22201201320121. The next prime is 22201201320131. The reversal of 22201201320123 is 32102310210222.

It is not a de Polignac number, because 22201201320123 - 2¹ = 22201201320121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 22201201320123.

It is not an unprimeable number, because it can be changed into a prime (22201201320121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2806468 + ... + 7230398.

It is an arithmetic number, because the mean of its divisors is an integer number (1078997014800).

Almost surely, 2^{22201201320123} is an apocalyptic number.

22201201320123 is a deficient number, since it is larger than the sum of its proper divisors (12326703153477).

22201201320123 is an equidigital number, since it uses as much as digits as its factorization.

22201201320123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4428832 (or 4428818 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 22201201320123 its reverse (32102310210222), we get a palindrome (54303511530345).

The spelling of 22201201320123 in words is "twenty-two trillion, two hundred one billion, two hundred one million, three hundred twenty thousand, one hundred twenty-three".