22022221011111 has 48 divisors (see below), whose sum is σ = 32636376115200. Its totient is φ = 14301872899776.

The previous prime is 22022221011073. The next prime is 22022221011181. The reversal of 22022221011111 is 11111012222022.

22022221011111 is a `hidden beast` number, since 220 + 222 + 210 + 1 + 1 + 1 + 11 = 666.

It is not a de Polignac number, because 22022221011111 - 2¹³ = 22022221002919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022221011181) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 330486745 + ... + 330553373.

It is an arithmetic number, because the mean of its divisors is an integer number (679924502400).

Almost surely, 2^{22022221011111} is an apocalyptic number.

22022221011111 is a deficient number, since it is larger than the sum of its proper divisors (10614155104089).

22022221011111 is a wasteful number, since it uses less digits than its factorization.

22022221011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68940 (or 68937 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 22022221011111 its reverse (11111012222022), we get a palindrome (33133233233133).

The spelling of 22022221011111 in words is "twenty-two trillion, twenty-two billion, two hundred twenty-one million, eleven thousand, one hundred eleven".