10001101111021 has 4 divisors (see below), whose sum is σ = 10006987576000. Its totient is φ = 9995214646044.

The previous prime is 10001101111009. The next prime is 10001101111033. The reversal of 10001101111021 is 12011110110001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (10001101111009) and next prime (10001101111033).

It is a cyclic number.

It is not a de Polignac number, because 10001101111021 - 2²⁷ = 10000966893293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10001101110989 and 10001101111007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001101111061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2943229941 + ... + 2943233338.

It is an arithmetic number, because the mean of its divisors is an integer number (2501746894000).

Almost surely, 2^{10001101111021} is an apocalyptic number.

It is an amenable number.

10001101111021 is a deficient number, since it is larger than the sum of its proper divisors (5886464979).

10001101111021 is an equidigital number, since it uses as much as digits as its factorization.

10001101111021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5886464978.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 10001101111021 its reverse (12011110110001), we get a palindrome (22012211221022).

The spelling of 10001101111021 in words is "ten trillion, one billion, one hundred one million, one hundred eleven thousand, twenty-one".