22201223011 has 4 divisors (see below), whose sum is σ = 24219516024. Its totient is φ = 20182930000.

The previous prime is 22201223003. The next prime is 22201223021. The reversal of 22201223011 is 11032210222.

It is a happy number.

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 22201223011 - 2³ = 22201223003 is a prime.

It is a super-2 number, since 2×22201223011² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22201223021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1009146490 + ... + 1009146511.

It is an arithmetic number, because the mean of its divisors is an integer number (6054879006).

Almost surely, 2^22201223011 is an apocalyptic number.

22201223011 is a deficient number, since it is larger than the sum of its proper divisors (2018293013).

22201223011 is a wasteful number, since it uses less digits than its factorization.

22201223011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2018293012.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 22201223011 its reverse (11032210222), we get a palindrome (33233433233).

The spelling of 22201223011 in words is "twenty-two billion, two hundred one million, two hundred twenty-three thousand, eleven".