11210101202021 has 4 divisors (see below), whose sum is σ = 11210140684044. Its totient is φ = 11210061720000.

The previous prime is 11210101201993. The next prime is 11210101202029. The reversal of 11210101202021 is 12020210101211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4331997009025 + 6878104192996 = 2081345^2 + 2622614^2 .

It is a cyclic number.

It is not a de Polignac number, because 11210101202021 - 2³⁴ = 11192921332837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11210101201987 and 11210101202005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11210101202029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19312010 + ... + 19884011.

It is an arithmetic number, because the mean of its divisors is an integer number (2802535171011).

Almost surely, 2^{11210101202021} is an apocalyptic number.

It is an amenable number.

11210101202021 is a deficient number, since it is larger than the sum of its proper divisors (39482023).

11210101202021 is an equidigital number, since it uses as much as digits as its factorization.

11210101202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39482022.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11210101202021 its reverse (12020210101211), we get a palindrome (23230311303232).

The spelling of 11210101202021 in words is "eleven trillion, two hundred ten billion, one hundred one million, two hundred two thousand, twenty-one".