30221201210231 has 4 divisors (see below), whose sum is σ = 30222937978464. Its totient is φ = 30219464442000.

The previous prime is 30221201210197. The next prime is 30221201210237. The reversal of 30221201210231 is 13201210212203.

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

It is a cyclic number.

It is not a de Polignac number, because 30221201210231 - 2⁴² = 25823154699127 is a prime.

It is a super-2 number, since 2×30221201210231² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30221201210237) 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, 868358015 + ... + 868392816.

It is an arithmetic number, because the mean of its divisors is an integer number (7555734494616).

Almost surely, 2^{30221201210231} is an apocalyptic number.

30221201210231 is a deficient number, since it is larger than the sum of its proper divisors (1736768233).

30221201210231 is a wasteful number, since it uses less digits than its factorization.

30221201210231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1736768232.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 30221201210231 its reverse (13201210212203), we get a palindrome (43422411422434).

The spelling of 30221201210231 in words is "thirty trillion, two hundred twenty-one billion, two hundred one million, two hundred ten thousand, two hundred thirty-one".