10021120011191 has 16 divisors (see below), whose sum is σ = 10188959760000. Its totient is φ = 9854422578528.

The previous prime is 10021120011169. The next prime is 10021120011193. The reversal of 10021120011191 is 19111002112001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10021120011191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021120011193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81878360 + ... + 82000658.

It is an arithmetic number, because the mean of its divisors is an integer number (636809985000).

Almost surely, 2^{10021120011191} is an apocalyptic number.

10021120011191 is a deficient number, since it is larger than the sum of its proper divisors (167839748809).

10021120011191 is a wasteful number, since it uses less digits than its factorization.

10021120011191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126958.

The product of its (nonzero) digits is 36, while the sum is 20.

Adding to 10021120011191 its reverse (19111002112001), we get a palindrome (29132122123192).

The spelling of 10021120011191 in words is "ten trillion, twenty-one billion, one hundred twenty million, eleven thousand, one hundred ninety-one".