102321132211 has 4 divisors (see below), whose sum is σ = 104816769624. Its totient is φ = 99825494800.

The previous prime is 102321132209. The next prime is 102321132233. The reversal of 102321132211 is 112231123201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102321132211 - 2¹ = 102321132209 is a prime.

It is a super-2 number, since 2×102321132211² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102321132311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1247818645 + ... + 1247818726.

It is an arithmetic number, because the mean of its divisors is an integer number (26204192406).

Almost surely, 2^102321132211 is an apocalyptic number.

102321132211 is a deficient number, since it is larger than the sum of its proper divisors (2495637413).

102321132211 is an equidigital number, since it uses as much as digits as its factorization.

102321132211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2495637412.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 102321132211 its reverse (112231123201), we get a palindrome (214552255412).

The spelling of 102321132211 in words is "one hundred two billion, three hundred twenty-one million, one hundred thirty-two thousand, two hundred eleven".