121110412 has 6 divisors (see below), whose sum is σ = 211943228. Its totient is φ = 60555204.

The previous prime is 121110401. The next prime is 121110419. The reversal of 121110412 is 214011121.

It is a junction number, because it is equal to n+sod(n) for n = 121110392 and 121110401.

It is not an unprimeable number, because it can be changed into a prime (121110419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15138798 + ... + 15138805.

Almost surely, 2^121110412 is an apocalyptic number.

It is an amenable number.

121110412 is a deficient number, since it is larger than the sum of its proper divisors (90832816).

121110412 is a wasteful number, since it uses less digits than its factorization.

121110412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30277607 (or 30277605 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 121110412 is about 11005.0175829028. The cubic root of 121110412 is about 494.7591414004.

Adding to 121110412 its reverse (214011121), we get a palindrome (335121533).

The spelling of 121110412 in words is "one hundred twenty-one million, one hundred ten thousand, four hundred twelve".