121011122112 has 56 divisors (see below), whose sum is σ = 325601990400. Its totient is φ = 39653358336.

The previous prime is 121011122047. The next prime is 121011122131. The reversal of 121011122112 is 211221110121.

It is a happy number.

121011122112 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 = 121011122091 and 121011122100.

It is a congruent number.

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, 5329912 + ... + 5352567.

Almost surely, 2^121011122112 is an apocalyptic number.

121011122112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121011122112 is an abundant number, since it is smaller than the sum of its proper divisors (204590868288).

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

121011122112 is a wasteful number, since it uses less digits than its factorization.

121011122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10682553 (or 10682543 counting only the distinct ones).

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

Adding to 121011122112 its reverse (211221110121), we get a palindrome (332232232233).

The spelling of 121011122112 in words is "one hundred twenty-one billion, eleven million, one hundred twenty-two thousand, one hundred twelve".