121341141155 has 16 divisors (see below), whose sum is σ = 156850513344. Its totient is φ = 89582666880.

The previous prime is 121341141139. The next prime is 121341141161. The reversal of 121341141155 is 551141143121.

It is not a de Polignac number, because 121341141155 - 2⁴ = 121341141139 is a prime.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 15557 + ... + 492873.

It is an arithmetic number, because the mean of its divisors is an integer number (9803157084).

Almost surely, 2^121341141155 is an apocalyptic number.

121341141155 is a deficient number, since it is larger than the sum of its proper divisors (35509372189).

121341141155 is a wasteful number, since it uses less digits than its factorization.

121341141155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481246.

The product of its digits is 2400, while the sum is 29.

Adding to 121341141155 its reverse (551141143121), we get a palindrome (672482284276).

The spelling of 121341141155 in words is "one hundred twenty-one billion, three hundred forty-one million, one hundred forty-one thousand, one hundred fifty-five".