121222420144133 has 80 divisors (see below), whose sum is σ = 164067805957440. Its totient is φ = 88564913740800.

The previous prime is 121222420144103. The next prime is 121222420144159. The reversal of 121222420144133 is 331441024222121.

It is not a de Polignac number, because 121222420144133 - 2⁶ = 121222420144069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121222420144133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121222420144103) by changing a digit.

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 79 ways as a sum of consecutive naturals, for example, 47430263 + ... + 49920683.

It is an arithmetic number, because the mean of its divisors is an integer number (2050847574468).

Almost surely, 2^{121222420144133} is an apocalyptic number.

It is an amenable number.

121222420144133 is a deficient number, since it is larger than the sum of its proper divisors (42845385813307).

121222420144133 is an equidigital number, since it uses as much as digits as its factorization.

121222420144133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2490576 (or 2490555 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 121222420144133 its reverse (331441024222121), we get a palindrome (452663444366254).

The spelling of 121222420144133 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, four hundred twenty million, one hundred forty-four thousand, one hundred thirty-three".