121124404421121 has 8 divisors (see below), whose sum is σ = 162318998818944. Its totient is φ = 80339706485360.

The previous prime is 121124404421057. The next prime is 121124404421131.

It is a happy number.

121124404421121 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 121124404421121 - 2⁶ = 121124404421057 is a prime.

It is a super-2 number, since 2×121124404421121² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121124404421131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102474114825 + ... + 102474116006.

It is an arithmetic number, because the mean of its divisors is an integer number (20289874852368).

Almost surely, 2^{121124404421121} is an apocalyptic number.

It is an amenable number.

121124404421121 is a deficient number, since it is larger than the sum of its proper divisors (41194594397823).

121124404421121 is a wasteful number, since it uses less digits than its factorization.

121124404421121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204948231031.

The product of its (nonzero) digits is 4096, while the sum is 30.

It can be divided in two parts, 12112440 and 4421121, that added together give a palindrome (16533561).

The spelling of 121124404421121 in words is "one hundred twenty-one trillion, one hundred twenty-four billion, four hundred four million, four hundred twenty-one thousand, one hundred twenty-one".