211320102321 has 24 divisors (see below), whose sum is σ = 306545148000. Its totient is φ = 140279046336.

The previous prime is 211320102277. The next prime is 211320102401. The reversal of 211320102321 is 123201023112.

211320102321 is a `hidden beast` number, since 2 + 11 + 320 + 10 + 2 + 321 = 666.

It is not a de Polignac number, because 211320102321 - 2⁷ = 211320102193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211320102294 and 211320102303.

It is not an unprimeable number, because it can be changed into a prime (211320102421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1936405 + ... + 2042621.

It is an arithmetic number, because the mean of its divisors is an integer number (12772714500).

Almost surely, 2^211320102321 is an apocalyptic number.

It is an amenable number.

211320102321 is a deficient number, since it is larger than the sum of its proper divisors (95225045679).

211320102321 is a wasteful number, since it uses less digits than its factorization.

211320102321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107165 (or 107162 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 211320102321 its reverse (123201023112), we get a palindrome (334521125433).

The spelling of 211320102321 in words is "two hundred eleven billion, three hundred twenty million, one hundred two thousand, three hundred twenty-one".