10001012101211 has 4 divisors (see below), whose sum is σ = 10589306930712. Its totient is φ = 9412717271712.

The previous prime is 10001012101207. The next prime is 10001012101253. The reversal of 10001012101211 is 11210121010001.

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 10001012101211 - 2² = 10001012101207 is a prime.

It is a super-2 number, since 2×10001012101211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10001012101192 and 10001012101201.

It is not an unprimeable number, because it can be changed into a prime (10001012101271) 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, 294147414725 + ... + 294147414758.

It is an arithmetic number, because the mean of its divisors is an integer number (2647326732678).

Almost surely, 2^{10001012101211} is an apocalyptic number.

10001012101211 is a deficient number, since it is larger than the sum of its proper divisors (588294829501).

10001012101211 is an equidigital number, since it uses as much as digits as its factorization.

10001012101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588294829500.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 10001012101211 its reverse (11210121010001), we get a palindrome (21211133111212).

The spelling of 10001012101211 in words is "ten trillion, one billion, twelve million, one hundred one thousand, two hundred eleven".