11210021012011 has 4 divisors (see below), whose sum is σ = 11295593691624. Its totient is φ = 11124448332400.

The previous prime is 11210021011913. The next prime is 11210021012027. The reversal of 11210021012011 is 11021012001211.

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 11210021012011 - 2¹⁷ = 11210020880939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11210021011982 and 11210021012000.

It is not an unprimeable number, because it can be changed into a prime (11210021012041) 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, 42786339610 + ... + 42786339871.

It is an arithmetic number, because the mean of its divisors is an integer number (2823898422906).

Almost surely, 2^{11210021012011} is an apocalyptic number.

11210021012011 is a deficient number, since it is larger than the sum of its proper divisors (85572679613).

11210021012011 is an equidigital number, since it uses as much as digits as its factorization.

11210021012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85572679612.

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

Adding to 11210021012011 its reverse (11021012001211), we get a palindrome (22231033013222).

The spelling of 11210021012011 in words is "eleven trillion, two hundred ten billion, twenty-one million, twelve thousand, eleven".