121553531423241 has 8 divisors (see below), whose sum is σ = 162097724040384. Its totient is φ = 81022513210800.

The previous prime is 121553531423239. The next prime is 121553531423281. The reversal of 121553531423241 is 142324135355121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121553531423241 - 2¹ = 121553531423239 is a prime.

It is a super-2 number, since 2×121553531423241² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121553531423193 and 121553531423202.

It is not an unprimeable number, because it can be changed into a prime (121553531423201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3293579646 + ... + 3293616551.

It is an arithmetic number, because the mean of its divisors is an integer number (20262215505048).

Almost surely, 2^{121553531423241} is an apocalyptic number.

It is an amenable number.

121553531423241 is a deficient number, since it is larger than the sum of its proper divisors (40544192617143).

121553531423241 is an equidigital number, since it uses as much as digits as its factorization.

121553531423241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6587202351.

The product of its digits is 432000, while the sum is 42.

Adding to 121553531423241 its reverse (142324135355121), we get a palindrome (263877666778362).

The spelling of 121553531423241 in words is "one hundred twenty-one trillion, five hundred fifty-three billion, five hundred thirty-one million, four hundred twenty-three thousand, two hundred forty-one".