11210021120011 has 4 divisors (see below), whose sum is σ = 12811452708592. Its totient is φ = 9608589531432.

The previous prime is 11210021119981. The next prime is 11210021120021. The reversal of 11210021120011 is 11002112001211.

It is a happy number.

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 11210021120011 - 2²¹ = 11210019022859 is a prime.

It is a super-2 number, since 2×11210021120011² (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 = 11210021119973 and 11210021120000.

It is not an unprimeable number, because it can be changed into a prime (11210021120021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 800715794280 + ... + 800715794293.

It is an arithmetic number, because the mean of its divisors is an integer number (3202863177148).

Almost surely, 2^{11210021120011} is an apocalyptic number.

11210021120011 is a deficient number, since it is larger than the sum of its proper divisors (1601431588581).

11210021120011 is an equidigital number, since it uses as much as digits as its factorization.

11210021120011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601431588580.

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

Adding to 11210021120011 its reverse (11002112001211), we get a palindrome (22212133121222).

The spelling of 11210021120011 in words is "eleven trillion, two hundred ten billion, twenty-one million, one hundred twenty thousand, eleven".