111122121122202 has 32 divisors (see below), whose sum is σ = 223853563574784. Its totient is φ = 36772788366000.

The previous prime is 111122121122123. The next prime is 111122121122237. The reversal of 111122121122202 is 202221121221111.

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, 36218424 + ... + 39166547.

It is an arithmetic number, because the mean of its divisors is an integer number (6995423861712).

Almost surely, 2^{111122121122202} is an apocalyptic number.

111122121122202 is an abundant number, since it is smaller than the sum of its proper divisors (112731442452582).

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

111122121122202 is a wasteful number, since it uses less digits than its factorization.

111122121122202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75386754.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 111122121122202 its reverse (202221121221111), we get a palindrome (313343242343313).

The spelling of 111122121122202 in words is "one hundred eleven trillion, one hundred twenty-two billion, one hundred twenty-one million, one hundred twenty-two thousand, two hundred two".