12202111221121 has 8 divisors (see below), whose sum is σ = 12861430582400. Its totient is φ = 11544502158000.

The previous prime is 12202111221107. The next prime is 12202111221127. The reversal of 12202111221121 is 12112211120221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12202111221121 - 2¹¹ = 12202111219073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12202111221127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427559886 + ... + 427588423.

It is an arithmetic number, because the mean of its divisors is an integer number (1607678822800).

Almost surely, 2^{12202111221121} is an apocalyptic number.

It is an amenable number.

12202111221121 is a deficient number, since it is larger than the sum of its proper divisors (659319361279).

12202111221121 is an equidigital number, since it uses as much as digits as its factorization.

12202111221121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855149079.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 12202111221121 its reverse (12112211120221), we get a palindrome (24314322341342).

The spelling of 12202111221121 in words is "twelve trillion, two hundred two billion, one hundred eleven million, two hundred twenty-one thousand, one hundred twenty-one".