22111010011 has 4 divisors (see below), whose sum is σ = 23274747400. Its totient is φ = 20947272624.

The previous prime is 22111009967. The next prime is 22111010021. The reversal of 22111010011 is 11001011122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22111010011 - 2¹³ = 22111001819 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 22111010011.

It is not an unprimeable number, because it can be changed into a prime (22111010021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581868666 + ... + 581868703.

It is an arithmetic number, because the mean of its divisors is an integer number (5818686850).

Almost surely, 2^22111010011 is an apocalyptic number.

22111010011 is a deficient number, since it is larger than the sum of its proper divisors (1163737389).

22111010011 is a wasteful number, since it uses less digits than its factorization.

22111010011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163737388.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 22111010011 its reverse (11001011122), we get a palindrome (33112021133).

The spelling of 22111010011 in words is "twenty-two billion, one hundred eleven million, ten thousand, eleven".