11202221112021 has 64 divisors (see below), whose sum is σ = 18097201520640. Its totient is φ = 6828864356160.

The previous prime is 11202221112007. The next prime is 11202221112127. The reversal of 11202221112021 is 12021112220211.

It is not a de Polignac number, because 11202221112021 - 2⁶ = 11202221111957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11202221111985 and 11202221112003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11202221112221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3207850 + ... + 5717931.

It is an arithmetic number, because the mean of its divisors is an integer number (282768773760).

Almost surely, 2^{11202221112021} is an apocalyptic number.

It is an amenable number.

11202221112021 is a deficient number, since it is larger than the sum of its proper divisors (6894980408619).

11202221112021 is a wasteful number, since it uses less digits than its factorization.

11202221112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8925903 (or 8925897 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11202221112021 its reverse (12021112220211), we get a palindrome (23223333332232).

The spelling of 11202221112021 in words is "eleven trillion, two hundred two billion, two hundred twenty-one million, one hundred twelve thousand, twenty-one".