121121222014 has 16 divisors (see below), whose sum is σ = 201968887680. Its totient is φ = 54098808480.

The previous prime is 121121222009. The next prime is 121121222041. The reversal of 121121222014 is 410222121121.

It is a junction number, because it is equal to n+sod(n) for n = 121121221982 and 121121222000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75136429 + ... + 75138040.

It is an arithmetic number, because the mean of its divisors is an integer number (12623055480).

Almost surely, 2^121121222014 is an apocalyptic number.

121121222014 is a deficient number, since it is larger than the sum of its proper divisors (80847665666).

121121222014 is a wasteful number, since it uses less digits than its factorization.

121121222014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150274515.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 121121222014 its reverse (410222121121), we get a palindrome (531343343135).

The spelling of 121121222014 in words is "one hundred twenty-one billion, one hundred twenty-one million, two hundred twenty-two thousand, fourteen".