211313021230221 has 8 divisors (see below), whose sum is σ = 281943807176160. Its totient is φ = 140778791385552.

The previous prime is 211313021230169. The next prime is 211313021230243. The reversal of 211313021230221 is 122032120313112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 211313021230221 - 2³⁵ = 211278661491853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211313021230191 and 211313021230200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211313021230321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24139020210 + ... + 24139028963.

It is an arithmetic number, because the mean of its divisors is an integer number (35242975897020).

Almost surely, 2^{211313021230221} is an apocalyptic number.

It is an amenable number.

211313021230221 is a deficient number, since it is larger than the sum of its proper divisors (70630785945939).

211313021230221 is a wasteful number, since it uses less digits than its factorization.

211313021230221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48278050635.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 211313021230221 its reverse (122032120313112), we get a palindrome (333345141543333).

The spelling of 211313021230221 in words is "two hundred eleven trillion, three hundred thirteen billion, twenty-one million, two hundred thirty thousand, two hundred twenty-one".