11002100121111 has 16 divisors (see below), whose sum is σ = 16004998886400. Its totient is φ = 6667129398720.

The previous prime is 11002100121079. The next prime is 11002100121119. The reversal of 11002100121111 is 11112100120011.

It is not a de Polignac number, because 11002100121111 - 2⁵ = 11002100121079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002100121119) 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, 19975911 + ... + 20519288.

It is an arithmetic number, because the mean of its divisors is an integer number (1000312430400).

Almost surely, 2^{11002100121111} is an apocalyptic number.

11002100121111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11002100121111 is a deficient number, since it is larger than the sum of its proper divisors (5002898765289).

11002100121111 is a wasteful number, since it uses less digits than its factorization.

11002100121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40503446.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11002100121111 its reverse (11112100120011), we get a palindrome (22114200241122).

The spelling of 11002100121111 in words is "eleven trillion, two billion, one hundred million, one hundred twenty-one thousand, one hundred eleven".