12210021020211 has 32 divisors (see below), whose sum is σ = 18809216982528. Its totient is φ = 6900942597120.

The previous prime is 12210021020161. The next prime is 12210021020221. The reversal of 12210021020211 is 11202012001221.

It is not a de Polignac number, because 12210021020211 - 2¹¹ = 12210021018163 is a prime.

It is a super-2 number, since 2×12210021020211² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12210021020221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1427616 + ... + 5143746.

It is an arithmetic number, because the mean of its divisors is an integer number (587788030704).

Almost surely, 2^{12210021020211} is an apocalyptic number.

12210021020211 is a deficient number, since it is larger than the sum of its proper divisors (6599195962317).

12210021020211 is a wasteful number, since it uses less digits than its factorization.

12210021020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3717851.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12210021020211 its reverse (11202012001221), we get a palindrome (23412033021432).

The spelling of 12210021020211 in words is "twelve trillion, two hundred ten billion, twenty-one million, twenty thousand, two hundred eleven".