121441254355 has 16 divisors (see below), whose sum is σ = 148269615840. Its totient is φ = 95461155072.

The previous prime is 121441254343. The next prime is 121441254359. The reversal of 121441254355 is 553452144121.

It is a cyclic number.

It is not a de Polignac number, because 121441254355 - 2⁷ = 121441254227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121441254359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 534097 + ... + 726733.

It is an arithmetic number, because the mean of its divisors is an integer number (9266850990).

Almost surely, 2^121441254355 is an apocalyptic number.

121441254355 is a deficient number, since it is larger than the sum of its proper divisors (26828361485).

121441254355 is a wasteful number, since it uses less digits than its factorization.

121441254355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194838.

The product of its digits is 96000, while the sum is 37.

Adding to 121441254355 its reverse (553452144121), we get a palindrome (674893398476).

The spelling of 121441254355 in words is "one hundred twenty-one billion, four hundred forty-one million, two hundred fifty-four thousand, three hundred fifty-five".