11102102001 has 16 divisors (see below), whose sum is σ = 17162670720. Its totient is φ = 7079600880.

The previous prime is 11102101999. The next prime is 11102102003. The reversal of 11102102001 is 10020120111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11102101999) and next prime (11102102003).

It is not a de Polignac number, because 11102102001 - 2¹ = 11102101999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (11102102003) 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, 8938270 + ... + 8939511.

It is an arithmetic number, because the mean of its divisors is an integer number (1072666920).

Almost surely, 2^11102102001 is an apocalyptic number.

It is an amenable number.

11102102001 is a deficient number, since it is larger than the sum of its proper divisors (6060568719).

11102102001 is a wasteful number, since it uses less digits than its factorization.

11102102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17877813 (or 17877807 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11102102001 its reverse (10020120111), we get a palindrome (21122222112).

The spelling of 11102102001 in words is "eleven billion, one hundred two million, one hundred two thousand, one".