121020201112 has 16 divisors (see below), whose sum is σ = 231740811360. Its totient is φ = 59222651424.

The previous prime is 121020201109. The next prime is 121020201163. The reversal of 121020201112 is 211102020121.

It is a junction number, because it is equal to n+sod(n) for n = 121020201092 and 121020201101.

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 3 ways as a sum of consecutive naturals, for example, 160930743 + ... + 160931494.

It is an arithmetic number, because the mean of its divisors is an integer number (14483800710).

Almost surely, 2^121020201112 is an apocalyptic number.

It is an amenable number.

121020201112 is a deficient number, since it is larger than the sum of its proper divisors (110720610248).

121020201112 is a wasteful number, since it uses less digits than its factorization.

121020201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321862290 (or 321862286 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121020201112 its reverse (211102020121), we get a palindrome (332122221233).

The spelling of 121020201112 in words is "one hundred twenty-one billion, twenty million, two hundred one thousand, one hundred twelve".