12210202122111 has 48 divisors (see below), whose sum is σ = 20589798048768. Its totient is φ = 6827342558400.

The previous prime is 12210202122061. The next prime is 12210202122127. The reversal of 12210202122111 is 11122120201221.

12210202122111 is a `hidden beast` number, since 1 + 221 + 0 + 20 + 212 + 211 + 1 = 666.

It is not a de Polignac number, because 12210202122111 - 2¹⁸ = 12210201859967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210202122161) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13450521 + ... + 14329581.

It is an arithmetic number, because the mean of its divisors is an integer number (428954126016).

Almost surely, 2^{12210202122111} is an apocalyptic number.

12210202122111 is a deficient number, since it is larger than the sum of its proper divisors (8379595926657).

12210202122111 is a wasteful number, since it uses less digits than its factorization.

12210202122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883812 (or 883809 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12210202122111 its reverse (11122120201221), we get a palindrome (23332322323332).

The spelling of 12210202122111 in words is "twelve trillion, two hundred ten billion, two hundred two million, one hundred twenty-two thousand, one hundred eleven".