11210222020021 has 8 divisors (see below), whose sum is σ = 11250275024088. Its totient is φ = 11170170144000.

The previous prime is 11210222019967. The next prime is 11210222020031. The reversal of 11210222020021 is 12002022201211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 658996509796 + 10551225510225 = 811786^2 + 3248265^2 .

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 11210222020021 - 2³⁹ = 10660466206133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11210222019977 and 11210222020004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11210222020031) 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, 23077281 + ... + 23558041.

It is an arithmetic number, because the mean of its divisors is an integer number (1406284378011).

Almost surely, 2^{11210222020021} is an apocalyptic number.

It is an amenable number.

11210222020021 is a deficient number, since it is larger than the sum of its proper divisors (40053004067).

11210222020021 is an equidigital number, since it uses as much as digits as its factorization.

11210222020021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564023.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11210222020021 its reverse (12002022201211), we get a palindrome (23212244221232).

The spelling of 11210222020021 in words is "eleven trillion, two hundred ten billion, two hundred twenty-two million, twenty thousand, twenty-one".