111122221021102 has 8 divisors (see below), whose sum is σ = 166683993302376. Its totient is φ = 55560889920312.

The previous prime is 111122221021081. The next prime is 111122221021127. The reversal of 111122221021102 is 201120122221111.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 111122221021102.

It is a congruent number.

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, 109664713 + ... + 110673364.

It is an arithmetic number, because the mean of its divisors is an integer number (20835499162797).

Almost surely, 2^{111122221021102} is an apocalyptic number.

111122221021102 is a deficient number, since it is larger than the sum of its proper divisors (55561772281274).

111122221021102 is a wasteful number, since it uses less digits than its factorization.

111122221021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220590242.

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

Adding to 111122221021102 its reverse (201120122221111), we get a palindrome (312242343242213).

The spelling of 111122221021102 in words is "one hundred eleven trillion, one hundred twenty-two billion, two hundred twenty-one million, twenty-one thousand, one hundred two".