11020122012121 has 4 divisors (see below), whose sum is σ = 11206903741200. Its totient is φ = 10833340283044.

The previous prime is 11020122012043. The next prime is 11020122012127. The reversal of 11020122012121 is 12121022102011.

11020122012121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11020122012121 - 2¹⁹ = 11020121487833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11020122012095 and 11020122012104.

It is not an unprimeable number, because it can be changed into a prime (11020122012127) 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, 93390864451 + ... + 93390864568.

It is an arithmetic number, because the mean of its divisors is an integer number (2801725935300).

Almost surely, 2^{11020122012121} is an apocalyptic number.

It is an amenable number.

11020122012121 is a deficient number, since it is larger than the sum of its proper divisors (186781729079).

11020122012121 is an equidigital number, since it uses as much as digits as its factorization.

11020122012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186781729078.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11020122012121 its reverse (12121022102011), we get a palindrome (23141144114132).

The spelling of 11020122012121 in words is "eleven trillion, twenty billion, one hundred twenty-two million, twelve thousand, one hundred twenty-one".