30210233221121 has 4 divisors (see below), whose sum is σ = 30635729463744. Its totient is φ = 29784736978500.

The previous prime is 30210233221099. The next prime is 30210233221141. The reversal of 30210233221121 is 12112233201203.

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 30210233221121 - 2¹⁴ = 30210233204737 is a prime.

It is a super-2 number, since 2×30210233221121² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30210233221141) 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, 212748121205 + ... + 212748121346.

It is an arithmetic number, because the mean of its divisors is an integer number (7658932365936).

Almost surely, 2^{30210233221121} is an apocalyptic number.

It is an amenable number.

30210233221121 is a deficient number, since it is larger than the sum of its proper divisors (425496242623).

30210233221121 is an equidigital number, since it uses as much as digits as its factorization.

30210233221121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425496242622.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 30210233221121 its reverse (12112233201203), we get a palindrome (42322466422324).

The spelling of 30210233221121 in words is "thirty trillion, two hundred ten billion, two hundred thirty-three million, two hundred twenty-one thousand, one hundred twenty-one".