20222111012231 has 4 divisors (see below), whose sum is σ = 20506929477264. Its totient is φ = 19937292547200.

The previous prime is 20222111012209. The next prime is 20222111012281. The reversal of 20222111012231 is 13221011122202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20222111012231 is a prime.

It is a super-2 number, since 2×20222111012231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222111012281) 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 3 ways as a sum of consecutive naturals, for example, 142409232410 + ... + 142409232551.

It is an arithmetic number, because the mean of its divisors is an integer number (5126732369316).

Almost surely, 2^{20222111012231} is an apocalyptic number.

20222111012231 is a deficient number, since it is larger than the sum of its proper divisors (284818465033).

20222111012231 is an equidigital number, since it uses as much as digits as its factorization.

20222111012231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284818465032.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 20222111012231 its reverse (13221011122202), we get a palindrome (33443122134433).

The spelling of 20222111012231 in words is "twenty trillion, two hundred twenty-two billion, one hundred eleven million, twelve thousand, two hundred thirty-one".