11210221202021 has 8 divisors (see below), whose sum is σ = 11697662192064. Its totient is φ = 10722783551040.

The previous prime is 11210221202017. The next prime is 11210221202027. The reversal of 11210221202021 is 12020212201211.

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

It is not a de Polignac number, because 11210221202021 - 2² = 11210221202017 is a prime.

It is a super-3 number, since 3×11210221202021³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11210221202027) 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, 8027966 + ... + 9320336.

It is an arithmetic number, because the mean of its divisors is an integer number (1462207774008).

Almost surely, 2^{11210221202021} is an apocalyptic number.

It is an amenable number.

11210221202021 is a deficient number, since it is larger than the sum of its proper divisors (487440990043).

11210221202021 is a wasteful number, since it uses less digits than its factorization.

11210221202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669531.

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

Adding to 11210221202021 its reverse (12020212201211), we get a palindrome (23230433403232).

The spelling of 11210221202021 in words is "eleven trillion, two hundred ten billion, two hundred twenty-one million, two hundred two thousand, twenty-one".