111222112112002 has 4 divisors (see below), whose sum is σ = 166833168168006. Its totient is φ = 55611056056000.

The previous prime is 111222112111997. The next prime is 111222112112051. The reversal of 111222112112002 is 200211211222111.

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., 110632762640521 + 589349471481 = 10518211^2 + 767691^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27805528027999 + ... + 27805528028002.

Almost surely, 2^{111222112112002} is an apocalyptic number.

111222112112002 is a deficient number, since it is larger than the sum of its proper divisors (55611056056004).

111222112112002 is an equidigital number, since it uses as much as digits as its factorization.

111222112112002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55611056056003.

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

Adding to 111222112112002 its reverse (200211211222111), we get a palindrome (311433323334113).

The spelling of 111222112112002 in words is "one hundred eleven trillion, two hundred twenty-two billion, one hundred twelve million, one hundred twelve thousand, two".