100321001211 has 4 divisors (see below), whose sum is σ = 133761334952. Its totient is φ = 66880667472.

The previous prime is 100321001149. The next prime is 100321001219. The reversal of 100321001211 is 112100123001.

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

It is not a de Polignac number, because 100321001211 - 2²⁷ = 100186783483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100321001219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16720166866 + ... + 16720166871.

It is an arithmetic number, because the mean of its divisors is an integer number (33440333738).

Almost surely, 2^100321001211 is an apocalyptic number.

100321001211 is a deficient number, since it is larger than the sum of its proper divisors (33440333741).

100321001211 is an equidigital number, since it uses as much as digits as its factorization.

100321001211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33440333740.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 100321001211 its reverse (112100123001), we get a palindrome (212421124212).

The spelling of 100321001211 in words is "one hundred billion, three hundred twenty-one million, one thousand, two hundred eleven".