22201313212321 has 4 divisors (see below), whose sum is σ = 22202740139200. Its totient is φ = 22199886285444.

The previous prime is 22201313212319. The next prime is 22201313212363. The reversal of 22201313212321 is 12321231310222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22201313212321 - 2¹ = 22201313212319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22201313212021) 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, 713440101 + ... + 713471218.

It is an arithmetic number, because the mean of its divisors is an integer number (5550685034800).

Almost surely, 2^{22201313212321} is an apocalyptic number.

It is an amenable number.

22201313212321 is a deficient number, since it is larger than the sum of its proper divisors (1426926879).

22201313212321 is a wasteful number, since it uses less digits than its factorization.

22201313212321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426926878.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 22201313212321 its reverse (12321231310222), we get a palindrome (34522544522543).

The spelling of 22201313212321 in words is "twenty-two trillion, two hundred one billion, three hundred thirteen million, two hundred twelve thousand, three hundred twenty-one".