1110121212100 has 36 divisors (see below), whose sum is σ = 2413569191824. Its totient is φ = 443199422880.

The previous prime is 1110121212097. The next prime is 1110121212119. The reversal of 1110121212100 is 12121210111.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10560714 + ... + 10665313.

Almost surely, 2^{1110121212100} is an apocalyptic number.

1110121212100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1110121212100 is an abundant number, since it is smaller than the sum of its proper divisors (1303447979724).

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

1110121212100 is a wasteful number, since it uses less digits than its factorization.

1110121212100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21226564 (or 21226557 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1110121212100 its reverse (12121210111), we get a palindrome (1122242422211).

The spelling of 1110121212100 in words is "one trillion, one hundred ten billion, one hundred twenty-one million, two hundred twelve thousand, one hundred".