210221201013 has 8 divisors (see below), whose sum is σ = 280360856928. Its totient is φ = 140114506224.

The previous prime is 210221200963. The next prime is 210221201027. The reversal of 210221201013 is 310102122012.

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

It is not a de Polignac number, because 210221201013 - 2¹² = 210221196917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210221200983 and 210221201001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210221201033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8225395 + ... + 8250912.

It is an arithmetic number, because the mean of its divisors is an integer number (35045107116).

Almost surely, 2^210221201013 is an apocalyptic number.

It is an amenable number.

210221201013 is a deficient number, since it is larger than the sum of its proper divisors (70139655915).

210221201013 is a wasteful number, since it uses less digits than its factorization.

210221201013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16480563.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 210221201013 its reverse (310102122012), we get a palindrome (520323323025).

The spelling of 210221201013 in words is "two hundred ten billion, two hundred twenty-one million, two hundred one thousand, thirteen".