11002211021011 has 4 divisors (see below), whose sum is σ = 12573955452592. Its totient is φ = 9430466589432.

The previous prime is 11002211020991. The next prime is 11002211021063. The reversal of 11002211021011 is 11012011220011.

It is a happy number.

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

It is not a de Polignac number, because 11002211021011 - 2¹¹ = 11002211018963 is a prime.

It is a super-2 number, since 2×11002211021011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11002211020982 and 11002211021000.

It is not an unprimeable number, because it can be changed into a prime (11002211025011) 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, 785872215780 + ... + 785872215793.

It is an arithmetic number, because the mean of its divisors is an integer number (3143488863148).

Almost surely, 2^{11002211021011} is an apocalyptic number.

11002211021011 is a deficient number, since it is larger than the sum of its proper divisors (1571744431581).

11002211021011 is an equidigital number, since it uses as much as digits as its factorization.

11002211021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571744431580.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11002211021011 its reverse (11012011220011), we get a palindrome (22014222241022).

The spelling of 11002211021011 in words is "eleven trillion, two billion, two hundred eleven million, twenty-one thousand, eleven".