121141130521 has 4 divisors (see below), whose sum is σ = 121146587344. Its totient is φ = 121135673700.

The previous prime is 121141130503. The next prime is 121141130531. The reversal of 121141130521 is 125031141121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121141130521 - 2⁵ = 121141130489 is a prime.

It is a super-3 number, since 3×121141130521³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121141130492 and 121141130501.

It is not an unprimeable number, because it can be changed into a prime (121141130531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2694975 + ... + 2739556.

It is an arithmetic number, because the mean of its divisors is an integer number (30286646836).

Almost surely, 2^121141130521 is an apocalyptic number.

It is an amenable number.

121141130521 is a deficient number, since it is larger than the sum of its proper divisors (5456823).

121141130521 is an equidigital number, since it uses as much as digits as its factorization.

121141130521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5456822.

The product of its (nonzero) digits is 240, while the sum is 22.

Adding to 121141130521 its reverse (125031141121), we get a palindrome (246172271642).

The spelling of 121141130521 in words is "one hundred twenty-one billion, one hundred forty-one million, one hundred thirty thousand, five hundred twenty-one".