121241334141 has 16 divisors (see below), whose sum is σ = 179623267200. Its totient is φ = 80824641984.

The previous prime is 121241334133. The next prime is 121241334161. The reversal of 121241334141 is 141433142121.

It is a happy number.

121241334141 is a `hidden beast` number, since 1 + 2 + 1 + 241 + 3 + 3 + 414 + 1 = 666.

It is not a de Polignac number, because 121241334141 - 2³ = 121241334133 is a prime.

It is a super-2 number, since 2×121241334141² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121241334101) 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, 896320 + ... + 1022678.

It is an arithmetic number, because the mean of its divisors is an integer number (11226454200).

Almost surely, 2^121241334141 is an apocalyptic number.

It is an amenable number.

121241334141 is a deficient number, since it is larger than the sum of its proper divisors (58381933059).

121241334141 is a wasteful number, since it uses less digits than its factorization.

121241334141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161905 (or 161899 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

Adding to 121241334141 its reverse (141433142121), we get a palindrome (262674476262).

The spelling of 121241334141 in words is "one hundred twenty-one billion, two hundred forty-one million, three hundred thirty-four thousand, one hundred forty-one".