22212201111 has 16 divisors (see below), whose sum is σ = 29819664000. Its totient is φ = 14706647648.

The previous prime is 22212201107. The next prime is 22212201133. The reversal of 22212201111 is 11110221222.

It is a cyclic number.

It is not a de Polignac number, because 22212201111 - 2² = 22212201107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212201191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402040 + ... + 453938.

It is an arithmetic number, because the mean of its divisors is an integer number (1863729000).

Almost surely, 2^22212201111 is an apocalyptic number.

22212201111 is a deficient number, since it is larger than the sum of its proper divisors (7607462889).

22212201111 is a wasteful number, since it uses less digits than its factorization.

22212201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52878.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22212201111 its reverse (11110221222), we get a palindrome (33322422333).

The spelling of 22212201111 in words is "twenty-two billion, two hundred twelve million, two hundred one thousand, one hundred eleven".