11100000021001 has 16 divisors (see below), whose sum is σ = 11218287467520. Its totient is φ = 10982296884240.

The previous prime is 11100000020983. The next prime is 11100000021049. The reversal of 11100000021001 is 10012000000111.

It is a cyclic number.

It is not a de Polignac number, because 11100000021001 - 2⁵ = 11100000020969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11100000021091) 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, 88251780 + ... + 88377466.

It is an arithmetic number, because the mean of its divisors is an integer number (701142966720).

Almost surely, 2^{11100000021001} is an apocalyptic number.

It is an amenable number.

11100000021001 is a deficient number, since it is larger than the sum of its proper divisors (118287446519).

11100000021001 is a wasteful number, since it uses less digits than its factorization.

11100000021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128004.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 11100000021001 its reverse (10012000000111), we get a palindrome (21112000021112).

The spelling of 11100000021001 in words is "eleven trillion, one hundred billion, twenty-one thousand, one".