10001123232211 has 4 divisors (see below), whose sum is σ = 10002203626392. Its totient is φ = 10000042838032.

The previous prime is 10001123232187. The next prime is 10001123232311. The reversal of 10001123232211 is 11223232110001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10001123232211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10001123232311) 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, 540183205 + ... + 540201718.

It is an arithmetic number, because the mean of its divisors is an integer number (2500550906598).

Almost surely, 2^{10001123232211} is an apocalyptic number.

10001123232211 is a deficient number, since it is larger than the sum of its proper divisors (1080394181).

10001123232211 is an equidigital number, since it uses as much as digits as its factorization.

10001123232211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080394180.

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

Adding to 10001123232211 its reverse (11223232110001), we get a palindrome (21224355342212).

The spelling of 10001123232211 in words is "ten trillion, one billion, one hundred twenty-three million, two hundred thirty-two thousand, two hundred eleven".