111111112222202 has 8 divisors (see below), whose sum is σ = 168316833366612. Its totient is φ = 55005501100000.

The previous prime is 111111112222199. The next prime is 111111112222217. The reversal of 111111112222202 is 202222211111111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 96605289782401 + 14505822439801 = 9828799^2 + 3808651^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275027505299 + ... + 275027505702.

Almost surely, 2^{111111112222202} is an apocalyptic number.

111111112222202 is a deficient number, since it is larger than the sum of its proper divisors (57205721144410).

111111112222202 is a wasteful number, since it uses less digits than its factorization.

111111112222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550055011104.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 111111112222202 its reverse (202222211111111), we get a palindrome (313333323333313).

The spelling of 111111112222202 in words is "one hundred eleven trillion, one hundred eleven billion, one hundred twelve million, two hundred twenty-two thousand, two hundred two".