211102132321 has 4 divisors (see below), whose sum is σ = 211103140144. Its totient is φ = 211101124500.

The previous prime is 211102132309. The next prime is 211102132331. The reversal of 211102132321 is 123231201112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 211102132321 - 2⁷ = 211102132193 is a prime.

It is a super-2 number, since 2×211102132321² (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 (211102132331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58455 + ... + 652396.

It is an arithmetic number, because the mean of its divisors is an integer number (52775785036).

Almost surely, 2^211102132321 is an apocalyptic number.

It is an amenable number.

211102132321 is a deficient number, since it is larger than the sum of its proper divisors (1007823).

211102132321 is an equidigital number, since it uses as much as digits as its factorization.

211102132321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007822.

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

Adding to 211102132321 its reverse (123231201112), we get a palindrome (334333333433).

The spelling of 211102132321 in words is "two hundred eleven billion, one hundred two million, one hundred thirty-two thousand, three hundred twenty-one".