11202221021 has 8 divisors (see below), whose sum is σ = 11259581184. Its totient is φ = 11145007440.

The previous prime is 11202220943. The next prime is 11202221029. The reversal of 11202221021 is 12012220211.

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 11202221021 - 2¹⁰ = 11202219997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11202220987 and 11202221005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11202221029) 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, 118256 + ... + 190758.

It is an arithmetic number, because the mean of its divisors is an integer number (1407447648).

Almost surely, 2^11202221021 is an apocalyptic number.

It is an amenable number.

11202221021 is a deficient number, since it is larger than the sum of its proper divisors (57360163).

11202221021 is an equidigital number, since it uses as much as digits as its factorization.

11202221021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73291.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11202221021 its reverse (12012220211), we get a palindrome (23214441232).

The spelling of 11202221021 in words is "eleven billion, two hundred two million, two hundred twenty-one thousand, twenty-one".