22011311242 has 16 divisors (see below), whose sum is σ = 33080205600. Its totient is φ = 10984594032.

The previous prime is 22011311183. The next prime is 22011311263. The reversal of 22011311242 is 24211311022.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3953953 + ... + 3959515.

It is an arithmetic number, because the mean of its divisors is an integer number (2067512850).

Almost surely, 2^22011311242 is an apocalyptic number.

22011311242 is a deficient number, since it is larger than the sum of its proper divisors (11068894358).

22011311242 is a wasteful number, since it uses less digits than its factorization.

22011311242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8997.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 22011311242 its reverse (24211311022), we get a palindrome (46222622264).

The spelling of 22011311242 in words is "twenty-two billion, eleven million, three hundred eleven thousand, two hundred forty-two".