121011113312 has 48 divisors (see below), whose sum is σ = 239309299152. Its totient is φ = 60234769920.

The previous prime is 121011113299. The next prime is 121011113339. The reversal of 121011113312 is 213311110121.

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, 6525878 + ... + 6544394.

It is an arithmetic number, because the mean of its divisors is an integer number (4985610399).

Almost surely, 2^121011113312 is an apocalyptic number.

It is an amenable number.

121011113312 is a deficient number, since it is larger than the sum of its proper divisors (118298185840).

121011113312 is a wasteful number, since it uses less digits than its factorization.

121011113312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19431 (or 19423 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 121011113312 its reverse (213311110121), we get a palindrome (334322223433).

The spelling of 121011113312 in words is "one hundred twenty-one billion, eleven million, one hundred thirteen thousand, three hundred twelve".