201321211310 has 32 divisors (see below), whose sum is σ = 367062775200. Its totient is φ = 79492959360.

The previous prime is 201321211241. The next prime is 201321211331. The reversal of 201321211310 is 13112123102.

201321211310 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×201321211310² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50096 + ... + 636515.

It is an arithmetic number, because the mean of its divisors is an integer number (11470711725).

Almost surely, 2^201321211310 is an apocalyptic number.

201321211310 is a deficient number, since it is larger than the sum of its proper divisors (165741563890).

201321211310 is a wasteful number, since it uses less digits than its factorization.

201321211310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686996.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 201321211310 its reverse (13112123102), we get a palindrome (214433334412).

The spelling of 201321211310 in words is "two hundred one billion, three hundred twenty-one million, two hundred eleven thousand, three hundred ten".