12210020021011 has 16 divisors (see below), whose sum is σ = 12904973706240. Its totient is φ = 11534223526560.

The previous prime is 12210020020967. The next prime is 12210020021041. The reversal of 12210020021011 is 11012002001221.

It is a cyclic number.

It is not a de Polignac number, because 12210020021011 - 2³¹ = 12207872537363 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12210020020982 and 12210020021000.

It is not an unprimeable number, because it can be changed into a prime (12210020021041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 670720 + ... + 4986973.

It is an arithmetic number, because the mean of its divisors is an integer number (806560856640).

Almost surely, 2^{12210020021011} is an apocalyptic number.

12210020021011 is a deficient number, since it is larger than the sum of its proper divisors (694953685229).

12210020021011 is a wasteful number, since it uses less digits than its factorization.

12210020021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5659386.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12210020021011 its reverse (11012002001221), we get a palindrome (23222022022232).

The spelling of 12210020021011 in words is "twelve trillion, two hundred ten billion, twenty million, twenty-one thousand, eleven".