222102221101111 has 16 divisors (see below), whose sum is σ = 255903269302240. Its totient is φ = 191042993646720.

The previous prime is 222102221101109. The next prime is 222102221101127. The reversal of 222102221101111 is 111101122201222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 222102221101111 - 2¹ = 222102221101109 is a prime.

It is a super-3 number, since 3×222102221101111³ (a number of 44 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222102221101151) 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, 7370470800 + ... + 7370500933.

It is an arithmetic number, because the mean of its divisors is an integer number (15993954331390).

Almost surely, 2^{222102221101111} is an apocalyptic number.

222102221101111 is a deficient number, since it is larger than the sum of its proper divisors (33801048201129).

222102221101111 is a wasteful number, since it uses less digits than its factorization.

222102221101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14740971826.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 222102221101111 its reverse (111101122201222), we get a palindrome (333203343302333).

The spelling of 222102221101111 in words is "two hundred twenty-two trillion, one hundred two billion, two hundred twenty-one million, one hundred one thousand, one hundred eleven".