222111121102 has 8 divisors (see below), whose sum is σ = 358794887976. Its totient is φ = 102512825112.

The previous prime is 222111121039. The next prime is 222111121103. The reversal of 222111121102 is 201121111222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222111121103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4271367688 + ... + 4271367739.

It is an arithmetic number, because the mean of its divisors is an integer number (44849360997).

Almost surely, 2^222111121102 is an apocalyptic number.

222111121102 is a deficient number, since it is larger than the sum of its proper divisors (136683766874).

222111121102 is a wasteful number, since it uses less digits than its factorization.

222111121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8542735442.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 222111121102 its reverse (201121111222), we get a palindrome (423232232324).

The spelling of 222111121102 in words is "two hundred twenty-two billion, one hundred eleven million, one hundred twenty-one thousand, one hundred two".