22001122223011 has 4 divisors (see below), whose sum is σ = 22005958702000. Its totient is φ = 21996285744024.

The previous prime is 22001122222967. The next prime is 22001122223033. The reversal of 22001122223011 is 11032222110022.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22001122223011 is a prime.

It is a super-2 number, since 2×22001122223011² (a number of 27 digits) contains 22 as substring.

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 22001122223011.

It is not an unprimeable number, because it can be changed into a prime (22001122223081) 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, 2418232671 + ... + 2418241768.

It is an arithmetic number, because the mean of its divisors is an integer number (5501489675500).

Almost surely, 2^{22001122223011} is an apocalyptic number.

22001122223011 is a deficient number, since it is larger than the sum of its proper divisors (4836478989).

22001122223011 is an equidigital number, since it uses as much as digits as its factorization.

22001122223011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4836478988.

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

Adding to 22001122223011 its reverse (11032222110022), we get a palindrome (33033344333033).

The spelling of 22001122223011 in words is "twenty-two trillion, one billion, one hundred twenty-two million, two hundred twenty-three thousand, eleven".