111020221121110 has 192 divisors, whose sum is σ = 247612726932480. Its totient is φ = 35632533484800.

The previous prime is 111020221121059. The next prime is 111020221121141. The reversal of 111020221121110 is 11121122020111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 472858567 + ... + 473093293.

It is an arithmetic number, because the mean of its divisors is an integer number (1289649619440).

Almost surely, 2^{111020221121110} is an apocalyptic number.

111020221121110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111020221121110 is an abundant number, since it is smaller than the sum of its proper divisors (136592505811370).

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

111020221121110 is a wasteful number, since it uses less digits than its factorization.

111020221121110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235371 (or 235364 counting only the distinct ones).

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

Adding to 111020221121110 its reverse (11121122020111), we get a palindrome (122141343141221).

The spelling of 111020221121110 in words is "one hundred eleven trillion, twenty billion, two hundred twenty-one million, one hundred twenty-one thousand, one hundred ten".