1001101211211 has 8 divisors (see below), whose sum is σ = 1335135081280. Its totient is φ = 667234074312.

The previous prime is 1001101211203. The next prime is 1001101211213. The reversal of 1001101211211 is 1121121011001.

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

It is not a de Polignac number, because 1001101211211 - 2³ = 1001101211203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001101211213) 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, 41669281 + ... + 41693298.

It is an arithmetic number, because the mean of its divisors is an integer number (166891885160).

Almost surely, 2^{1001101211211} is an apocalyptic number.

1001101211211 is a deficient number, since it is larger than the sum of its proper divisors (334033870069).

1001101211211 is an equidigital number, since it uses as much as digits as its factorization.

1001101211211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83366585.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1001101211211 its reverse (1121121011001), we get a palindrome (2122222222212).

The spelling of 1001101211211 in words is "one trillion, one billion, one hundred one million, two hundred eleven thousand, two hundred eleven".