22201213230311 has 4 divisors (see below), whose sum is σ = 22565167545624. Its totient is φ = 21837258915000.

The previous prime is 22201213230307. The next prime is 22201213230347. The reversal of 22201213230311 is 11303231210222.

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 22201213230311 - 2² = 22201213230307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201213230011) 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, 181977157565 + ... + 181977157686.

It is an arithmetic number, because the mean of its divisors is an integer number (5641291886406).

Almost surely, 2^{22201213230311} is an apocalyptic number.

22201213230311 is a deficient number, since it is larger than the sum of its proper divisors (363954315313).

22201213230311 is an equidigital number, since it uses as much as digits as its factorization.

22201213230311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363954315312.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 22201213230311 its reverse (11303231210222), we get a palindrome (33504444440533).

The spelling of 22201213230311 in words is "twenty-two trillion, two hundred one billion, two hundred thirteen million, two hundred thirty thousand, three hundred eleven".