121112201022112 has 48 divisors (see below), whose sum is σ = 243573402143232. Its totient is φ = 59252930346240.

The previous prime is 121112201022103. The next prime is 121112201022149. The reversal of 121112201022112 is 211220102211121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 121112201022112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3965688 + ... + 16060855.

It is an arithmetic number, because the mean of its divisors is an integer number (5074445877984).

Almost surely, 2^{121112201022112} is an apocalyptic number.

It is an amenable number.

121112201022112 is an abundant number, since it is smaller than the sum of its proper divisors (122461201121120).

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

121112201022112 is a wasteful number, since it uses less digits than its factorization.

121112201022112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20030621 (or 20030613 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 121112201022112 its reverse (211220102211121), we get a palindrome (332332303233233).

The spelling of 121112201022112 in words is "one hundred twenty-one trillion, one hundred twelve billion, two hundred one million, twenty-two thousand, one hundred twelve".