121220114 has 16 divisors (see below), whose sum is σ = 192235680. Its totient is φ = 57169440.

The previous prime is 121220107. The next prime is 121220117. The reversal of 121220114 is 411022121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (121220117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2009 + ... + 15699.

It is an arithmetic number, because the mean of its divisors is an integer number (12014730).

Almost surely, 2^121220114 is an apocalyptic number.

121220114 is a deficient number, since it is larger than the sum of its proper divisors (71015566).

121220114 is a wasteful number, since it uses less digits than its factorization.

121220114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13945.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 121220114 is about 11010.0006357856. Note that the first 3 decimals coincide. The cubic root of 121220114 is about 494.9084808527.

Subtracting from 121220114 its sum of digits (14), we obtain a square (121220100 = 11010²).

Adding to 121220114 its reverse (411022121), we get a palindrome (532242235).

The spelling of 121220114 in words is "one hundred twenty-one million, two hundred twenty thousand, one hundred fourteen".