22111211042 has 8 divisors (see below), whose sum is σ = 33460328556. Its totient is φ = 10957768192.

The previous prime is 22111210999. The next prime is 22111211149. The reversal of 22111211042 is 24011211122.

It can be written as a sum of positive squares in 2 ways, for example, as 14185048201 + 7926162841 = 119101^2 + 89029^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 22111211042.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48918383 + ... + 48918834.

Almost surely, 2^22111211042 is an apocalyptic number.

22111211042 is a deficient number, since it is larger than the sum of its proper divisors (11349117514).

22111211042 is a wasteful number, since it uses less digits than its factorization.

22111211042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97837332.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22111211042 its reverse (24011211122), we get a palindrome (46122422164).

The spelling of 22111211042 in words is "twenty-two billion, one hundred eleven million, two hundred eleven thousand, forty-two".