121012118 has 4 divisors (see below), whose sum is σ = 181518180. Its totient is φ = 60506058.

The previous prime is 121012109. The next prime is 121012123. The reversal of 121012118 is 811210121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 811210121 = 107 ⋅7581403.

It is a junction number, because it is equal to n+sod(n) for n = 121012096 and 121012105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30253028 + ... + 30253031.

It is an arithmetic number, because the mean of its divisors is an integer number (45379545).

Almost surely, 2^121012118 is an apocalyptic number.

121012118 is a deficient number, since it is larger than the sum of its proper divisors (60506062).

121012118 is an equidigital number, since it uses as much as digits as its factorization.

121012118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60506061.

The product of its (nonzero) digits is 32, while the sum is 17.

The square root of 121012118 is about 11000.5508043916. The cubic root of 121012118 is about 494.6252552579.

Adding to 121012118 its reverse (811210121), we get a palindrome (932222239).

The spelling of 121012118 in words is "one hundred twenty-one million, twelve thousand, one hundred eighteen".