11000021000211 has 16 divisors (see below), whose sum is σ = 16314215838720. Its totient is φ = 7325297539560.

The previous prime is 11000021000209. The next prime is 11000021000231. The reversal of 11000021000211 is 11200012000011.

It is a happy number.

It is not a de Polignac number, because 11000021000211 - 2¹ = 11000021000209 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 = 11000021000193 and 11000021000202.

It is not an unprimeable number, because it can be changed into a prime (11000021000201) 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, 223580335 + ... + 223629528.

It is an arithmetic number, because the mean of its divisors is an integer number (1019638489920).

Almost surely, 2^{11000021000211} is an apocalyptic number.

11000021000211 is a deficient number, since it is larger than the sum of its proper divisors (5314194838509).

11000021000211 is an equidigital number, since it uses as much as digits as its factorization.

11000021000211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447210783 (or 447210777 counting only the distinct ones).

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

Adding to 11000021000211 its reverse (11200012000011), we get a palindrome (22200033000222).

The spelling of 11000021000211 in words is "eleven trillion, twenty-one million, two hundred eleven", and thus it is an aban number.