22012220220111 has 12 divisors (see below), whose sum is σ = 34685922771240. Its totient is φ = 13340739527280.

The previous prime is 22012220220091. The next prime is 22012220220121. The reversal of 22012220220111 is 11102202221022.

It is a happy number.

22012220220111 is a `hidden beast` number, since 220 + 1 + 2 + 220 + 220 + 1 + 1 + 1 = 666.

It is not a de Polignac number, because 22012220220111 - 2⁶ = 22012220220047 is a prime.

It is a super-2 number, since 2×22012220220111² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012220220121) 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 11 ways as a sum of consecutive naturals, for example, 111172829296 + ... + 111172829493.

It is an arithmetic number, because the mean of its divisors is an integer number (2890493564270).

Almost surely, 2^{22012220220111} is an apocalyptic number.

22012220220111 is a deficient number, since it is larger than the sum of its proper divisors (12673702551129).

22012220220111 is a wasteful number, since it uses less digits than its factorization.

22012220220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222345658806 (or 222345658803 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22012220220111 its reverse (11102202221022), we get a palindrome (33114422441133).

The spelling of 22012220220111 in words is "twenty-two trillion, twelve billion, two hundred twenty million, two hundred twenty thousand, one hundred eleven".