22110232201231 has 4 divisors (see below), whose sum is σ = 22472695024264. Its totient is φ = 21747769378200.

The previous prime is 22110232201201. The next prime is 22110232201237. The reversal of 22110232201231 is 13210223201122.

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 22110232201231 - 2¹³ = 22110232193039 is a prime.

It is a super-2 number, since 2×22110232201231² (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 (22110232201237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181231411425 + ... + 181231411546.

It is an arithmetic number, because the mean of its divisors is an integer number (5618173756066).

Almost surely, 2^{22110232201231} is an apocalyptic number.

22110232201231 is a deficient number, since it is larger than the sum of its proper divisors (362462823033).

22110232201231 is an equidigital number, since it uses as much as digits as its factorization.

22110232201231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362462823032.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 22110232201231 its reverse (13210223201122), we get a palindrome (35320455402353).

The spelling of 22110232201231 in words is "twenty-two trillion, one hundred ten billion, two hundred thirty-two million, two hundred one thousand, two hundred thirty-one".