22200212011111 has 24 divisors (see below), whose sum is σ = 23903665648016. Its totient is φ = 20611545845760.

The previous prime is 22200212011093. The next prime is 22200212011123. The reversal of 22200212011111 is 11111021200222.

It is not a de Polignac number, because 22200212011111 - 2⁵ = 22200212011079 is a prime.

It is a super-2 number, since 2×22200212011111² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22200212011151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7316341 + ... + 9895921.

Almost surely, 2^{22200212011111} is an apocalyptic number.

22200212011111 is a deficient number, since it is larger than the sum of its proper divisors (1703453636905).

22200212011111 is a wasteful number, since it uses less digits than its factorization.

22200212011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2580019 (or 2580002 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22200212011111 its reverse (11111021200222), we get a palindrome (33311233211333).

The spelling of 22200212011111 in words is "twenty-two trillion, two hundred billion, two hundred twelve million, eleven thousand, one hundred eleven".