11202022101221 has 4 divisors (see below), whose sum is σ = 12802310972832. Its totient is φ = 9601733229612.

The previous prime is 11202022101217. The next prime is 11202022101239. The reversal of 11202022101221 is 12210122020211.

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 11202022101221 - 2² = 11202022101217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11202022101221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11202022101421) 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 3 ways as a sum of consecutive naturals, for example, 800144435795 + ... + 800144435808.

It is an arithmetic number, because the mean of its divisors is an integer number (3200577743208).

Almost surely, 2^{11202022101221} is an apocalyptic number.

It is an amenable number.

11202022101221 is a deficient number, since it is larger than the sum of its proper divisors (1600288871611).

11202022101221 is an equidigital number, since it uses as much as digits as its factorization.

11202022101221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600288871610.

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

Adding to 11202022101221 its reverse (12210122020211), we get a palindrome (23412144121432).

The spelling of 11202022101221 in words is "eleven trillion, two hundred two billion, twenty-two million, one hundred one thousand, two hundred twenty-one".