12202102112021 has 4 divisors (see below), whose sum is σ = 12202180873344. Its totient is φ = 12202023350700.

The previous prime is 12202102111981. The next prime is 12202102112063. The reversal of 12202102112021 is 12021120120221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12202102112021 - 2¹⁴ = 12202102095637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12202102012021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39147815 + ... + 39458276.

It is an arithmetic number, because the mean of its divisors is an integer number (3050545218336).

Almost surely, 2^{12202102112021} is an apocalyptic number.

It is an amenable number.

12202102112021 is a deficient number, since it is larger than the sum of its proper divisors (78761323).

12202102112021 is an equidigital number, since it uses as much as digits as its factorization.

12202102112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78761322.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12202102112021 its reverse (12021120120221), we get a palindrome (24223222232242).

The spelling of 12202102112021 in words is "twelve trillion, two hundred two billion, one hundred two million, one hundred twelve thousand, twenty-one".