11020022202121 has 4 divisors (see below), whose sum is σ = 11043028512000. Its totient is φ = 10997015892244.

The previous prime is 11020022202097. The next prime is 11020022202157. The reversal of 11020022202121 is 12120222002011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11020022202121 - 2¹¹ = 11020022200073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11020022202095 and 11020022202104.

It is not an unprimeable number, because it can be changed into a prime (11020022202421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11503154221 + ... + 11503155178.

It is an arithmetic number, because the mean of its divisors is an integer number (2760757128000).

Almost surely, 2^{11020022202121} is an apocalyptic number.

It is an amenable number.

11020022202121 is a deficient number, since it is larger than the sum of its proper divisors (23006309879).

11020022202121 is an equidigital number, since it uses as much as digits as its factorization.

11020022202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23006309878.

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

Adding to 11020022202121 its reverse (12120222002011), we get a palindrome (23140244204132).

The spelling of 11020022202121 in words is "eleven trillion, twenty billion, twenty-two million, two hundred two thousand, one hundred twenty-one".