222221012101 has 16 divisors (see below), whose sum is σ = 243113270400. Its totient is φ = 201444414400.

The previous prime is 222221012099. The next prime is 222221012107. The reversal of 222221012101 is 101210122222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 222221012101 - 2¹ = 222221012099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222221012107) 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, 7891635 + ... + 7919743.

It is an arithmetic number, because the mean of its divisors is an integer number (15194579400).

Almost surely, 2^222221012101 is an apocalyptic number.

It is an amenable number.

222221012101 is a deficient number, since it is larger than the sum of its proper divisors (20892258299).

222221012101 is a wasteful number, since it uses less digits than its factorization.

222221012101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30140.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222221012101 its reverse (101210122222), we get a palindrome (323431134323).

The spelling of 222221012101 in words is "two hundred twenty-two billion, two hundred twenty-one million, twelve thousand, one hundred one".