121102220112 has 160 divisors (see below), whose sum is σ = 329220428544. Its totient is φ = 38320128000.

The previous prime is 121102220077. The next prime is 121102220191. The reversal of 121102220112 is 211022201121.

121102220112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×121102220112³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121102220091 and 121102220100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12226362 + ... + 12236262.

Almost surely, 2^121102220112 is an apocalyptic number.

121102220112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121102220112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164610214272).

121102220112 is an abundant number, since it is smaller than the sum of its proper divisors (208118208432).

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

121102220112 is a wasteful number, since it uses less digits than its factorization.

121102220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10117 (or 10111 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121102220112 its reverse (211022201121), we get a palindrome (332124421233).

The spelling of 121102220112 in words is "one hundred twenty-one billion, one hundred two million, two hundred twenty thousand, one hundred twelve".