12210011003021 has 64 divisors (see below), whose sum is σ = 13556894883840. Its totient is φ = 10928900505600.

The previous prime is 12210011003011. The next prime is 12210011003081. The reversal of 12210011003021 is 12030011001221.

It is a cyclic number.

It is not a de Polignac number, because 12210011003021 - 2²⁶ = 12209943894157 is a prime.

It is a super-2 number, since 2×12210011003021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12210011002987 and 12210011003005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210011003011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10608175796 + ... + 10608176946.

It is an arithmetic number, because the mean of its divisors is an integer number (211826482560).

Almost surely, 2^{12210011003021} is an apocalyptic number.

It is an amenable number.

12210011003021 is a deficient number, since it is larger than the sum of its proper divisors (1346883880819).

12210011003021 is a wasteful number, since it uses less digits than its factorization.

12210011003021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2166.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 12210011003021 its reverse (12030011001221), we get a palindrome (24240022004242).

The spelling of 12210011003021 in words is "twelve trillion, two hundred ten billion, eleven million, three thousand, twenty-one".