111022221002 has 32 divisors (see below), whose sum is σ = 207641453184. Its totient is φ = 43252185600.

The previous prime is 111022220989. The next prime is 111022221017. The reversal of 111022221002 is 200122220111.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3939602 + ... + 3967682.

It is an arithmetic number, because the mean of its divisors is an integer number (6488795412).

Almost surely, 2^111022221002 is an apocalyptic number.

111022221002 is a deficient number, since it is larger than the sum of its proper divisors (96619232182).

111022221002 is a wasteful number, since it uses less digits than its factorization.

111022221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53774.

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

Adding to 111022221002 its reverse (200122220111), we get a palindrome (311144441113).

The spelling of 111022221002 in words is "one hundred eleven billion, twenty-two million, two hundred twenty-one thousand, two".