10001211022111 has 8 divisors (see below), whose sum is σ = 10263856232864. Its totient is φ = 9741749389920.

The previous prime is 10001211022079. The next prime is 10001211022147. The reversal of 10001211022111 is 11122011210001.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 10001211022111 - 2⁵ = 10001211022079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10001211022091 and 10001211022100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001211022211) 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, 795888276 + ... + 795900841.

It is an arithmetic number, because the mean of its divisors is an integer number (1282982029108).

Almost surely, 2^{10001211022111} is an apocalyptic number.

10001211022111 is a deficient number, since it is larger than the sum of its proper divisors (262645210753).

10001211022111 is a wasteful number, since it uses less digits than its factorization.

10001211022111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1591789281.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10001211022111 its reverse (11122011210001), we get a palindrome (21123222232112).

The spelling of 10001211022111 in words is "ten trillion, one billion, two hundred eleven million, twenty-two thousand, one hundred eleven".