22145243002111 has 8 divisors (see below), whose sum is σ = 22149316425600. Its totient is φ = 22141169835288.

The previous prime is 22145243002079. The next prime is 22145243002121. The reversal of 22145243002111 is 11120034254122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22145243002111 - 2⁵ = 22145243002079 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22145243002111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22145243002121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270356040 + ... + 270437938.

It is an arithmetic number, because the mean of its divisors is an integer number (2768664553200).

Almost surely, 2^{22145243002111} is an apocalyptic number.

22145243002111 is a deficient number, since it is larger than the sum of its proper divisors (4073423489).

22145243002111 is an equidigital number, since it uses as much as digits as its factorization.

22145243002111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128333.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 22145243002111 its reverse (11120034254122), we get a palindrome (33265277256233).

The spelling of 22145243002111 in words is "twenty-two trillion, one hundred forty-five billion, two hundred forty-three million, two thousand, one hundred eleven".