22020112211111 has 24 divisors (see below), whose sum is σ = 26896275717120. Its totient is φ = 17654651526096.

The previous prime is 22020112211101. The next prime is 22020112211147. The reversal of 22020112211111 is 11111221102022.

It is not a de Polignac number, because 22020112211111 - 2¹⁴ = 22020112194727 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 22020112211111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020112211101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54951851 + ... + 55351116.

It is an arithmetic number, because the mean of its divisors is an integer number (1120678154880).

Almost surely, 2^{22020112211111} is an apocalyptic number.

22020112211111 is a deficient number, since it is larger than the sum of its proper divisors (4876163506009).

22020112211111 is a wasteful number, since it uses less digits than its factorization.

22020112211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110303091 (or 110303072 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 22020112211111 its reverse (11111221102022), we get a palindrome (33131333313133).

The spelling of 22020112211111 in words is "twenty-two trillion, twenty billion, one hundred twelve million, two hundred eleven thousand, one hundred eleven".