222102101021111 has 32 divisors (see below), whose sum is σ = 242230576550400. Its totient is φ = 202840191066240.

The previous prime is 222102101021089. The next prime is 222102101021159. The reversal of 222102101021111 is 111120101201222.

It is a cyclic number.

It is not a de Polignac number, because 222102101021111 - 2¹⁴ = 222102101004727 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 222102101021111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222102101021611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8777685686 + ... + 8777710988.

It is an arithmetic number, because the mean of its divisors is an integer number (7569705517200).

Almost surely, 2^{222102101021111} is an apocalyptic number.

222102101021111 is a deficient number, since it is larger than the sum of its proper divisors (20128475529289).

222102101021111 is a wasteful number, since it uses less digits than its factorization.

222102101021111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49559.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 222102101021111 its reverse (111120101201222), we get a palindrome (333222202222333).

The spelling of 222102101021111 in words is "two hundred twenty-two trillion, one hundred two billion, one hundred one million, twenty-one thousand, one hundred eleven".