11002000121111 has 4 divisors (see below), whose sum is σ = 11008156810152. Its totient is φ = 10995843432072.

The previous prime is 11002000121089. The next prime is 11002000121153. The reversal of 11002000121111 is 11112100020011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11002000121111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11002000121092 and 11002000121101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002000121711) 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, 3078341840 + ... + 3078345413.

It is an arithmetic number, because the mean of its divisors is an integer number (2752039202538).

Almost surely, 2^{11002000121111} is an apocalyptic number.

11002000121111 is a deficient number, since it is larger than the sum of its proper divisors (6156689041).

11002000121111 is an equidigital number, since it uses as much as digits as its factorization.

11002000121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6156689040.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11002000121111 its reverse (11112100020011), we get a palindrome (22114100141122).

The spelling of 11002000121111 in words is "eleven trillion, two billion, one hundred twenty-one thousand, one hundred eleven".