1001103221211 has 8 divisors (see below), whose sum is σ = 1335010531920. Its totient is φ = 667299028992.

The previous prime is 1001103221177. The next prime is 1001103221263. The reversal of 1001103221211 is 1121223011001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1001103221211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1001103221291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25756966 + ... + 25795803.

It is an arithmetic number, because the mean of its divisors is an integer number (166876316490).

Almost surely, 2^{1001103221211} is an apocalyptic number.

1001103221211 is a deficient number, since it is larger than the sum of its proper divisors (333907310709).

1001103221211 is an equidigital number, since it uses as much as digits as its factorization.

1001103221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51559245.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1001103221211 its reverse (1121223011001), we get a palindrome (2122326232212).

The spelling of 1001103221211 in words is "one trillion, one billion, one hundred three million, two hundred twenty-one thousand, two hundred eleven".