232030013321221 has 4 divisors (see below), whose sum is σ = 245678837634252. Its totient is φ = 218381189008192.

The previous prime is 232030013321207. The next prime is 232030013321333. The reversal of 232030013321221 is 122123310030232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 201663146664225 + 30366866656996 = 14200815^2 + 5510614^2 .

It is a cyclic number.

It is not a de Polignac number, because 232030013321221 - 2²⁷ = 232029879103493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232030013327221) 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, 6824412156490 + ... + 6824412156523.

It is an arithmetic number, because the mean of its divisors is an integer number (61419709408563).

Almost surely, 2^{232030013321221} is an apocalyptic number.

It is an amenable number.

232030013321221 is a deficient number, since it is larger than the sum of its proper divisors (13648824313031).

232030013321221 is a wasteful number, since it uses less digits than its factorization.

232030013321221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13648824313030.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 232030013321221 its reverse (122123310030232), we get a palindrome (354153323351453).

The spelling of 232030013321221 in words is "two hundred thirty-two trillion, thirty billion, thirteen million, three hundred twenty-one thousand, two hundred twenty-one".