11102001001021 has 32 divisors (see below), whose sum is σ = 14151819813120. Its totient is φ = 8478618624000.

The previous prime is 11102001000977. The next prime is 11102001001051. The reversal of 11102001001021 is 12010010020111.

11102001001021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11102001001021 - 2⁹ = 11102001000509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11102001000989 and 11102001001007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11102001001051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1273321 + ... + 4881121.

It is an arithmetic number, because the mean of its divisors is an integer number (442244369160).

Almost surely, 2^{11102001001021} is an apocalyptic number.

It is an amenable number.

11102001001021 is a deficient number, since it is larger than the sum of its proper divisors (3049818812099).

11102001001021 is a wasteful number, since it uses less digits than its factorization.

11102001001021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3609205.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11102001001021 its reverse (12010010020111), we get a palindrome (23112011021132).

The spelling of 11102001001021 in words is "eleven trillion, one hundred two billion, one million, one thousand, twenty-one".