211330321221301 has 16 divisors (see below), whose sum is σ = 218239302486528. Its totient is φ = 204427092441600.

The previous prime is 211330321221281. The next prime is 211330321221319. The reversal of 211330321221301 is 103122123033112.

It is a cyclic number.

It is not a de Polignac number, because 211330321221301 - 2¹¹ = 211330321219253 is a prime.

It is a super-2 number, since 2×211330321221301² (a number of 29 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 (211330321221401) 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, 1370320086 + ... + 1370474296.

It is an arithmetic number, because the mean of its divisors is an integer number (13639956405408).

Almost surely, 2^{211330321221301} is an apocalyptic number.

It is an amenable number.

211330321221301 is a deficient number, since it is larger than the sum of its proper divisors (6908981265227).

211330321221301 is a wasteful number, since it uses less digits than its factorization.

211330321221301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172572.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 211330321221301 its reverse (103122123033112), we get a palindrome (314452444254413).

The spelling of 211330321221301 in words is "two hundred eleven trillion, three hundred thirty billion, three hundred twenty-one million, two hundred twenty-one thousand, three hundred one".