222002112020111 has 16 divisors (see below), whose sum is σ = 234053495491200. Its totient is φ = 209987444897568.

The previous prime is 222002112020053. The next prime is 222002112020141. The reversal of 222002112020111 is 111020211200222.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222002112020111 is a prime.

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 222002112020111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222002112020141) 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, 1219519880 + ... + 1219701906.

It is an arithmetic number, because the mean of its divisors is an integer number (14628343468200).

Almost surely, 2^{222002112020111} is an apocalyptic number.

222002112020111 is a deficient number, since it is larger than the sum of its proper divisors (12051383471089).

222002112020111 is a wasteful number, since it uses less digits than its factorization.

222002112020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282518.

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

Adding to 222002112020111 its reverse (111020211200222), we get a palindrome (333022323220333).

The spelling of 222002112020111 in words is "two hundred twenty-two trillion, two billion, one hundred twelve million, twenty thousand, one hundred eleven".