11100002002000 has 80 divisors (see below), whose sum is σ = 26842896355392. Its totient is φ = 4439489385600.

The previous prime is 11100002001973. The next prime is 11100002002003. The reversal of 11100002002000 is 20020000111.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100002002003) 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, 17290767 + ... + 17921233.

Almost surely, 2^{11100002002000} is an apocalyptic number.

11100002002000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11100002002000 is an abundant number, since it is smaller than the sum of its proper divisors (15742894353392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11100002002000 is an equidigital number, since it uses as much as digits as its factorization.

11100002002000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639293 (or 639277 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 11100002002000 its reverse (20020000111), we get a palindrome (11120022002111).

The spelling of 11100002002000 in words is "eleven trillion, one hundred billion, two million, two thousand".