111001112221002 has 16 divisors (see below), whose sum is σ = 222107990176800. Its totient is φ = 36982743117872.

The previous prime is 111001112220923. The next prime is 111001112221061. The reversal of 111001112221002 is 200122211100111.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4406891973 + ... + 4406917160.

It is an arithmetic number, because the mean of its divisors is an integer number (13881749386050).

Almost surely, 2^{111001112221002} is an apocalyptic number.

111001112221002 is an abundant number, since it is smaller than the sum of its proper divisors (111106877955798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111001112221002 is a wasteful number, since it uses less digits than its factorization.

111001112221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8813811237.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111001112221002 its reverse (200122211100111), we get a palindrome (311123323321113).

The spelling of 111001112221002 in words is "one hundred eleven trillion, one billion, one hundred twelve million, two hundred twenty-one thousand, two".