111100220121102 has 8 divisors (see below), whose sum is σ = 222200440242216. Its totient is φ = 37033406707032.

The previous prime is 111100220121101. The next prime is 111100220121131. The reversal of 111100220121102 is 201121022001111.

It is a happy number.

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

111100220121102 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111100220121101) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 9258351676753 + ... + 9258351676764.

It is an arithmetic number, because the mean of its divisors is an integer number (27775055030277).

Almost surely, 2^{111100220121102} is an apocalyptic number.

111100220121102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

111100220121102 is a wasteful number, since it uses less digits than its factorization.

111100220121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18516703353522.

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

Adding to 111100220121102 its reverse (201121022001111), we get a palindrome (312221242122213).

The spelling of 111100220121102 in words is "one hundred eleven trillion, one hundred billion, two hundred twenty million, one hundred twenty-one thousand, one hundred two".