111201021102 has 8 divisors (see below), whose sum is σ = 222402042216. Its totient is φ = 37067007032.

The previous prime is 111201021083. The next prime is 111201021119. The reversal of 111201021102 is 201120102111.

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

111201021102 is an admirable number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 9266751753 + ... + 9266751764.

It is an arithmetic number, because the mean of its divisors is an integer number (27800255277).

Almost surely, 2^111201021102 is an apocalyptic number.

111201021102 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.

111201021102 is a wasteful number, since it uses less digits than its factorization.

111201021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18533503522.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111201021102 its reverse (201120102111), we get a palindrome (312321123213).

The spelling of 111201021102 in words is "one hundred eleven billion, two hundred one million, twenty-one thousand, one hundred two".