111121002022 has 32 divisors (see below), whose sum is σ = 178676487360. Its totient is φ = 51701422080.

The previous prime is 111121002001. The next prime is 111121002023. The reversal of 111121002022 is 220200121111.

It is a junction number, because it is equal to n+sod(n) for n = 111121001993 and 111121002011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111121002023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 582304 + ... + 749212.

It is an arithmetic number, because the mean of its divisors is an integer number (5583640230).

Almost surely, 2^111121002022 is an apocalyptic number.

111121002022 is a deficient number, since it is larger than the sum of its proper divisors (67555485338).

111121002022 is a wasteful number, since it uses less digits than its factorization.

111121002022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167328.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111121002022 its reverse (220200121111), we get a palindrome (331321123133).

The spelling of 111121002022 in words is "one hundred eleven billion, one hundred twenty-one million, two thousand, twenty-two".