12210021011 has 8 divisors (see below), whose sum is σ = 12531735744. Its totient is φ = 11890022760.

The previous prime is 12210020941. The next prime is 12210021013. The reversal of 12210021011 is 11012001221.

12210021011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12210021011 - 2¹⁸ = 12209758867 is a prime.

It is a super-2 number, since 2×12210021011² (a number of 21 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 = 12210020983 and 12210021001.

It is not an unprimeable number, because it can be changed into a prime (12210021013) 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 7 ways as a sum of consecutive naturals, for example, 414701 + ... + 443166.

It is an arithmetic number, because the mean of its divisors is an integer number (1566466968).

Almost surely, 2^12210021011 is an apocalyptic number.

12210021011 is a deficient number, since it is larger than the sum of its proper divisors (321714733).

12210021011 is an equidigital number, since it uses as much as digits as its factorization.

12210021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858241.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12210021011 its reverse (11012001221), we get a palindrome (23222022232).

The spelling of 12210021011 in words is "twelve billion, two hundred ten million, twenty-one thousand, eleven".