11002021212211 has 4 divisors (see below), whose sum is σ = 11480369960592. Its totient is φ = 10523672463832.

The previous prime is 11002021212197. The next prime is 11002021212227. The reversal of 11002021212211 is 11221212020011.

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

It is a cyclic number.

It is not a de Polignac number, because 11002021212211 - 2⁵ = 11002021212179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11002001212211) 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, 239174374156 + ... + 239174374201.

It is an arithmetic number, because the mean of its divisors is an integer number (2870092490148).

Almost surely, 2^{11002021212211} is an apocalyptic number.

11002021212211 is a deficient number, since it is larger than the sum of its proper divisors (478348748381).

11002021212211 is an equidigital number, since it uses as much as digits as its factorization.

11002021212211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478348748380.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11002021212211 its reverse (11221212020011), we get a palindrome (22223233232222).

The spelling of 11002021212211 in words is "eleven trillion, two billion, twenty-one million, two hundred twelve thousand, two hundred eleven".