11101102001 has 16 divisors (see below), whose sum is σ = 12237982848. Its totient is φ = 9985632000.

The previous prime is 11101101943. The next prime is 11101102021. The reversal of 11101102001 is 10020110111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11101102001 - 2²² = 11096907697 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11101102001.

It is not an unprimeable number, because it can be changed into a prime (11101102021) 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, 3145700 + ... + 3149226.

It is an arithmetic number, because the mean of its divisors is an integer number (764873928).

Almost surely, 2^11101102001 is an apocalyptic number.

11101102001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11101102001 is a deficient number, since it is larger than the sum of its proper divisors (1136880847).

11101102001 is a wasteful number, since it uses less digits than its factorization.

11101102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6472.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 11101102001 its reverse (10020110111), we get a palindrome (21121212112).

It can be divided in two parts, 1110110 and 2001, that added together give a palindrome (1112111).

The spelling of 11101102001 in words is "eleven billion, one hundred one million, one hundred two thousand, one".