11002000021011 has 24 divisors (see below), whose sum is σ = 15928978528320. Its totient is φ = 7317507945600.

The previous prime is 11002000020961. The next prime is 11002000021073. The reversal of 11002000021011 is 11012000020011.

It is a happy number.

It is not a de Polignac number, because 11002000021011 - 2¹⁴ = 11002000004627 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11002000020984 and 11002000021002.

It is not an unprimeable number, because it can be changed into a prime (11002000021511) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11786271 + ... + 12685431.

It is an arithmetic number, because the mean of its divisors is an integer number (663707438680).

Almost surely, 2^{11002000021011} is an apocalyptic number.

11002000021011 is a deficient number, since it is larger than the sum of its proper divisors (4926978507309).

11002000021011 is a wasteful number, since it uses less digits than its factorization.

11002000021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902347 (or 902344 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11002000021011 its reverse (11012000020011), we get a palindrome (22014000041022).

The spelling of 11002000021011 in words is "eleven trillion, two billion, twenty-one thousand, eleven".