1110111121212 has 48 divisors (see below), whose sum is σ = 2660374123680. Its totient is φ = 360021445632.

The previous prime is 1110111121193. The next prime is 1110111121381. The reversal of 1110111121212 is 2121211110111.

It is a junction number, because it is equal to n+sod(n) for n = 1110111121191 and 1110111121200.

It is a congruent number.

It is an unprimeable number.

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, 18821464 + ... + 18880352.

It is an arithmetic number, because the mean of its divisors is an integer number (55424460910).

Almost surely, 2^{1110111121212} is an apocalyptic number.

1110111121212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1110111121212 is an abundant number, since it is smaller than the sum of its proper divisors (1550263002468).

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

1110111121212 is a wasteful number, since it uses less digits than its factorization.

1110111121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101390 (or 101388 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 1110111121212 its reverse (2121211110111), we get a palindrome (3231322231323).

The spelling of 1110111121212 in words is "one trillion, one hundred ten billion, one hundred eleven million, one hundred twenty-one thousand, two hundred twelve".