211003201321 has 16 divisors (see below), whose sum is σ = 233406086400. Its totient is φ = 189143510400.

The previous prime is 211003201309. The next prime is 211003201351. The reversal of 211003201321 is 123102300112.

It is a cyclic number.

It is not a de Polignac number, because 211003201321 - 2¹⁵ = 211003168553 is a prime.

It is a super-2 number, since 2×211003201321² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211003201295 and 211003201304.

It is not an unprimeable number, because it can be changed into a prime (211003201351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 501775 + ... + 820843.

It is an arithmetic number, because the mean of its divisors is an integer number (14587880400).

Almost surely, 2^211003201321 is an apocalyptic number.

It is an amenable number.

211003201321 is a deficient number, since it is larger than the sum of its proper divisors (22402885079).

211003201321 is a wasteful number, since it uses less digits than its factorization.

211003201321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319920.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 211003201321 its reverse (123102300112), we get a palindrome (334105501433).

The spelling of 211003201321 in words is "two hundred eleven billion, three million, two hundred one thousand, three hundred twenty-one".