121110221112 has 64 divisors (see below), whose sum is σ = 311735239200. Its totient is φ = 39185448960.

The previous prime is 121110221077. The next prime is 121110221119. The reversal of 121110221112 is 211122011121.

It is a happy number.

121110221112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 121110221091 and 121110221100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121110221119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118537 + ... + 506232.

Almost surely, 2^121110221112 is an apocalyptic number.

121110221112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121110221112 is an abundant number, since it is smaller than the sum of its proper divisors (190625018088).

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

121110221112 is a wasteful number, since it uses less digits than its factorization.

121110221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625016 (or 625012 counting only the distinct ones).

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

Adding to 121110221112 its reverse (211122011121), we get a palindrome (332232232233).

The spelling of 121110221112 in words is "one hundred twenty-one billion, one hundred ten million, two hundred twenty-one thousand, one hundred twelve".