22401111143 has 4 divisors (see below), whose sum is σ = 22499794680. Its totient is φ = 22302427608.

The previous prime is 22401111101. The next prime is 22401111167. The reversal of 22401111143 is 34111110422.

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 22401111143 - 2¹⁸ = 22400848999 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 (22401111643) 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, 49341428 + ... + 49341881.

It is an arithmetic number, because the mean of its divisors is an integer number (5624948670).

Almost surely, 2^22401111143 is an apocalyptic number.

22401111143 is a deficient number, since it is larger than the sum of its proper divisors (98683537).

22401111143 is an equidigital number, since it uses as much as digits as its factorization.

22401111143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98683536.

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

Adding to 22401111143 its reverse (34111110422), we get a palindrome (56512221565).

The spelling of 22401111143 in words is "twenty-two billion, four hundred one million, one hundred eleven thousand, one hundred forty-three".