222001112002 has 4 divisors (see below), whose sum is σ = 333001668006. Its totient is φ = 111000556000.

The previous prime is 222001111993. The next prime is 222001112051. The reversal of 222001112002 is 200211100222.

It is a happy number.

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., 216998520561 + 5002591441 = 465831^2 + 70729^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55500277999 + ... + 55500278002.

Almost surely, 2^222001112002 is an apocalyptic number.

222001112002 is a deficient number, since it is larger than the sum of its proper divisors (111000556004).

222001112002 is a wasteful number, since it uses less digits than its factorization.

222001112002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111000556003.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 222001112002 its reverse (200211100222), we get a palindrome (422212212224).

The spelling of 222001112002 in words is "two hundred twenty-two billion, one million, one hundred twelve thousand, two".