121100912 has 20 divisors (see below), whose sum is σ = 235397136. Its totient is φ = 60353280.

The previous prime is 121100909. The next prime is 121100923. The reversal of 121100912 is 219001121.

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, 7193 + ... + 17144.

Almost surely, 2^121100912 is an apocalyptic number.

It is an amenable number.

121100912 is a deficient number, since it is larger than the sum of its proper divisors (114296224).

121100912 is a wasteful number, since it uses less digits than its factorization.

121100912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24656 (or 24650 counting only the distinct ones).

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

The square root of 121100912 is about 11004.5859531379. The cubic root of 121100912 is about 494.7462046245.

The spelling of 121100912 in words is "one hundred twenty-one million, one hundred thousand, nine hundred twelve".