22220212010111 has 4 divisors (see below), whose sum is σ = 22220378391792. Its totient is φ = 22220045628432.

The previous prime is 22220212010089. The next prime is 22220212010209. The reversal of 22220212010111 is 11101021202222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22220212010111 - 2¹⁰ = 22220212009087 is a prime.

It is a super-2 number, since 2×22220212010111² (a number of 27 digits) contains 22 as substring.

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 22220212010111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220212010911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82990355 + ... + 83257668.

It is an arithmetic number, because the mean of its divisors is an integer number (5555094597948).

Almost surely, 2^{22220212010111} is an apocalyptic number.

22220212010111 is a deficient number, since it is larger than the sum of its proper divisors (166381681).

22220212010111 is a wasteful number, since it uses less digits than its factorization.

22220212010111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166381680.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22220212010111 its reverse (11101021202222), we get a palindrome (33321233212333).

The spelling of 22220212010111 in words is "twenty-two trillion, two hundred twenty billion, two hundred twelve million, ten thousand, one hundred eleven".