222111102002 has 4 divisors (see below), whose sum is σ = 333166653006. Its totient is φ = 111055551000.

The previous prime is 222111101999. The next prime is 222111102043. The reversal of 222111102002 is 200201111222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 175945852681 + 46165249321 = 419459^2 + 214861^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55527775499 + ... + 55527775502.

Almost surely, 2^222111102002 is an apocalyptic number.

222111102002 is a deficient number, since it is larger than the sum of its proper divisors (111055551004).

222111102002 is a wasteful number, since it uses less digits than its factorization.

222111102002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111055551003.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 222111102002 its reverse (200201111222), we get a palindrome (422312213224).

The spelling of 222111102002 in words is "two hundred twenty-two billion, one hundred eleven million, one hundred two thousand, two".