530521201121 has 4 divisors (see below), whose sum is σ = 530664938544. Its totient is φ = 530377463700.

The previous prime is 530521201079. The next prime is 530521201127. The reversal of 530521201121 is 121102125035.

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, and also an emirpimes, since its reverse is a distinct semiprime: 121102125035 = 5 ⋅24220425007.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-530521201121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (530521201127) 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, 71863175 + ... + 71870556.

It is an arithmetic number, because the mean of its divisors is an integer number (132666234636).

Almost surely, 2^530521201121 is an apocalyptic number.

It is an amenable number.

530521201121 is a deficient number, since it is larger than the sum of its proper divisors (143737423).

530521201121 is a wasteful number, since it uses less digits than its factorization.

530521201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143737422.

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 530521201121 its reverse (121102125035), we get a palindrome (651623326156).

The spelling of 530521201121 in words is "five hundred thirty billion, five hundred twenty-one million, two hundred one thousand, one hundred twenty-one".