121551303222 has 12 divisors (see below), whose sum is σ = 263361157020. Its totient is φ = 40517101068.

The previous prime is 121551303191. The next prime is 121551303259. The reversal of 121551303222 is 222303155121.

121551303222 is a `hidden beast` number, since 121 + 5 + 513 + 0 + 3 + 2 + 22 = 666.

121551303222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3376425072 + ... + 3376425107.

It is an arithmetic number, because the mean of its divisors is an integer number (21946763085).

Almost surely, 2^121551303222 is an apocalyptic number.

121551303222 is an abundant number, since it is smaller than the sum of its proper divisors (141809853798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121551303222 is a wasteful number, since it uses less digits than its factorization.

121551303222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6752850187 (or 6752850184 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 121551303222 its reverse (222303155121), we get a palindrome (343854458343).

The spelling of 121551303222 in words is "one hundred twenty-one billion, five hundred fifty-one million, three hundred three thousand, two hundred twenty-two".