22000001111 has 12 divisors (see below), whose sum is σ = 24188816400. Its totient is φ = 19994214240.

The previous prime is 22000001041. The next prime is 22000001159. The reversal of 22000001111 is 11110000022.

It is not a de Polignac number, because 22000001111 - 2¹⁸ = 21999738967 is a prime.

It is a Duffinian number.

22000001111 is a modest number, since divided by 1111 gives 220 as remainder.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000001161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 425555 + ... + 474443.

It is an arithmetic number, because the mean of its divisors is an integer number (2015734700).

Almost surely, 2^22000001111 is an apocalyptic number.

22000001111 is a deficient number, since it is larger than the sum of its proper divisors (2188815289).

22000001111 is a wasteful number, since it uses less digits than its factorization.

22000001111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52630 (or 52619 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 22000001111 its reverse (11110000022), we get a palindrome (33110001133).

It can be divided in two parts, 220000011 and 11, that added together give a palindrome (220000022).

The spelling of 22000001111 in words is "twenty-two billion, one thousand, one hundred eleven".