222112111121002 has 8 divisors (see below), whose sum is σ = 333289186728516. Its totient is φ = 111015715544832.

The previous prime is 222112111120909. The next prime is 222112111121003. The reversal of 222112111121002 is 200121111211222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 219259420522921 + 2852690598081 = 14807411^2 + 1688991^2 .

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

It is not an unprimeable number, because it can be changed into a prime (222112111121003) 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, 20170000953 + ... + 20170011964.

Almost surely, 2^{222112111121002} is an apocalyptic number.

222112111121002 is a deficient number, since it is larger than the sum of its proper divisors (111177075607514).

222112111121002 is a wasteful number, since it uses less digits than its factorization.

222112111121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40340015672.

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

Adding to 222112111121002 its reverse (200121111211222), we get a palindrome (422233222332224).

The spelling of 222112111121002 in words is "two hundred twenty-two trillion, one hundred twelve billion, one hundred eleven million, one hundred twenty-one thousand, two".