10230132221 has 4 divisors (see below), whose sum is σ = 10230359772. Its totient is φ = 10229904672.

The previous prime is 10230132217. The next prime is 10230132271. The reversal of 10230132221 is 12223103201.

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 9117576196 + 1112556025 = 95486^2 + 33355^2 .

It is a cyclic number.

It is not a de Polignac number, because 10230132221 - 2² = 10230132217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10230132221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10230132271) 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, 21266 + ... + 144611.

It is an arithmetic number, because the mean of its divisors is an integer number (2557589943).

Almost surely, 2^10230132221 is an apocalyptic number.

It is an amenable number.

10230132221 is a deficient number, since it is larger than the sum of its proper divisors (227551).

10230132221 is an equidigital number, since it uses as much as digits as its factorization.

10230132221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227550.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 10230132221 its reverse (12223103201), we get a palindrome (22453235422).

The spelling of 10230132221 in words is "ten billion, two hundred thirty million, one hundred thirty-two thousand, two hundred twenty-one".