22220000011111 has 32 divisors (see below), whose sum is σ = 27363552354432. Its totient is φ = 17611085905920.

The previous prime is 22220000011073. The next prime is 22220000011141. The reversal of 22220000011111 is 11111000002222.

It is not a de Polignac number, because 22220000011111 - 2¹⁹ = 22219999486823 is a prime.

22220000011111 is a modest number, since divided by 11111 gives 2222 as remainder.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 22220000011091 and 22220000011100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220000011141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5444070 + ... + 8606851.

It is an arithmetic number, because the mean of its divisors is an integer number (855111011076).

Almost surely, 2^{22220000011111} is an apocalyptic number.

22220000011111 is a deficient number, since it is larger than the sum of its proper divisors (5143552343321).

22220000011111 is a wasteful number, since it uses less digits than its factorization.

22220000011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14051179.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22220000011111 its reverse (11111000002222), we get a palindrome (33331000013333).

The spelling of 22220000011111 in words is "twenty-two trillion, two hundred twenty billion, eleven thousand, one hundred eleven".