11021430211 has 16 divisors (see below), whose sum is σ = 12321898848. Its totient is φ = 9770924800.

The previous prime is 11021430179. The next prime is 11021430223. The reversal of 11021430211 is 11203412011.

It is a cyclic number.

It is not a de Polignac number, because 11021430211 - 2⁵ = 11021430179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11021430011) 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, 1589925 + ... + 1596841.

It is an arithmetic number, because the mean of its divisors is an integer number (770118678).

Almost surely, 2^11021430211 is an apocalyptic number.

11021430211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11021430211 is a deficient number, since it is larger than the sum of its proper divisors (1300468637).

11021430211 is a wasteful number, since it uses less digits than its factorization.

11021430211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10502.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11021430211 its reverse (11203412011), we get a palindrome (22224842222).

The spelling of 11021430211 in words is "eleven billion, twenty-one million, four hundred thirty thousand, two hundred eleven".