11100100210001 has 4 divisors (see below), whose sum is σ = 12109200229104. Its totient is φ = 10091000190900.

The previous prime is 11100100209911. The next prime is 11100100210033. The reversal of 11100100210001 is 10001200100111.

It is a happy number.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11100100210001 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11100100219001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504550009535 + ... + 504550009556.

It is an arithmetic number, because the mean of its divisors is an integer number (3027300057276).

Almost surely, 2^{11100100210001} is an apocalyptic number.

11100100210001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11100100210001 is a deficient number, since it is larger than the sum of its proper divisors (1009100019103).

11100100210001 is a wasteful number, since it uses less digits than its factorization.

11100100210001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009100019102.

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

Adding to 11100100210001 its reverse (10001200100111), we get a palindrome (21101300310112).

The spelling of 11100100210001 in words is "eleven trillion, one hundred billion, one hundred million, two hundred ten thousand, one".