121103312 has 20 divisors (see below), whose sum is σ = 255968736. Its totient is φ = 55046880.

The previous prime is 121103293. The next prime is 121103377. The reversal of 121103312 is 213301121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343868 + ... + 344219.

Almost surely, 2^121103312 is an apocalyptic number.

It is an amenable number.

121103312 is an abundant number, since it is smaller than the sum of its proper divisors (134865424).

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

121103312 is a wasteful number, since it uses less digits than its factorization.

121103312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688106 (or 688100 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 121103312 is about 11004.6949980452. The cubic root of 121103312 is about 494.7494729265.

Adding to 121103312 its reverse (213301121), we get a palindrome (334404433).

The spelling of 121103312 in words is "one hundred twenty-one million, one hundred three thousand, three hundred twelve".