22111078145 has 16 divisors (see below), whose sum is σ = 30078229440. Its totient is φ = 15468801984.

The previous prime is 22111078133. The next prime is 22111078153. The reversal of 22111078145 is 54187011122.

It is a cyclic number.

It is not a de Polignac number, because 22111078145 - 2¹⁸ = 22110816001 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8950619 + ... + 8953088.

It is an arithmetic number, because the mean of its divisors is an integer number (1879889340).

Almost surely, 2^22111078145 is an apocalyptic number.

It is an amenable number.

22111078145 is a deficient number, since it is larger than the sum of its proper divisors (7967151295).

22111078145 is a wasteful number, since it uses less digits than its factorization.

22111078145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17903744.

The product of its (nonzero) digits is 4480, while the sum is 32.

Adding to 22111078145 its reverse (54187011122), we get a palindrome (76298089267).

The spelling of 22111078145 in words is "twenty-two billion, one hundred eleven million, seventy-eight thousand, one hundred forty-five".