22011312011 has 16 divisors (see below), whose sum is σ = 25092180960. Its totient is φ = 19161273600.

The previous prime is 22011311983. The next prime is 22011312017. The reversal of 22011312011 is 11021311022.

It is a cyclic number.

It is not a de Polignac number, because 22011312011 - 2¹⁴ = 22011295627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22011312017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 662690 + ... + 695111.

It is an arithmetic number, because the mean of its divisors is an integer number (1568261310).

Almost surely, 2^22011312011 is an apocalyptic number.

22011312011 is a deficient number, since it is larger than the sum of its proper divisors (3080868949).

22011312011 is a wasteful number, since it uses less digits than its factorization.

22011312011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357886.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 22011312011 its reverse (11021311022), we get a palindrome (33032623033).

The spelling of 22011312011 in words is "twenty-two billion, eleven million, three hundred twelve thousand, eleven".