121001110220112 has 80 divisors (see below), whose sum is σ = 312797563835328. Its totient is φ = 40306435752960.

The previous prime is 121001110220083. The next prime is 121001110220197. The reversal of 121001110220112 is 211022011100121.

It is a happy number.

121001110220112 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 = 121001110220091 and 121001110220100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 853233403 + ... + 853375205.

Almost surely, 2^{121001110220112} is an apocalyptic number.

121001110220112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121001110220112 is an abundant number, since it is smaller than the sum of its proper divisors (191796453615216).

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

121001110220112 is a wasteful number, since it uses less digits than its factorization.

121001110220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153708 (or 153702 counting only the distinct ones).

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

Adding to 121001110220112 its reverse (211022011100121), we get a palindrome (332023121320233).

The spelling of 121001110220112 in words is "one hundred twenty-one trillion, one billion, one hundred ten million, two hundred twenty thousand, one hundred twelve".