11202012221221 has 8 divisors (see below), whose sum is σ = 11415268808640. Its totient is φ = 10989535366368.

The previous prime is 11202012221189. The next prime is 11202012221227. The reversal of 11202012221221 is 12212221020211.

11202012221221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11202012221221 - 2⁵ = 11202012221189 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 (11202012221227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194904136 + ... + 194961601.

It is an arithmetic number, because the mean of its divisors is an integer number (1426908601080).

Almost surely, 2^{11202012221221} is an apocalyptic number.

It is an amenable number.

11202012221221 is a deficient number, since it is larger than the sum of its proper divisors (213256587419).

11202012221221 is an equidigital number, since it uses as much as digits as its factorization.

11202012221221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389866283.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11202012221221 its reverse (12212221020211), we get a palindrome (23414233241432).

The spelling of 11202012221221 in words is "eleven trillion, two hundred two billion, twelve million, two hundred twenty-one thousand, two hundred twenty-one".