11020020001121 has 4 divisors (see below), whose sum is σ = 11206800001200. Its totient is φ = 10833240001044.

The previous prime is 11020020001103. The next prime is 11020020001163. The reversal of 11020020001121 is 12110002002011.

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 11020020001121 - 2⁶ = 11020020001057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11020020001171) 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 3 ways as a sum of consecutive naturals, for example, 93389999951 + ... + 93390000068.

It is an arithmetic number, because the mean of its divisors is an integer number (2801700000300).

Almost surely, 2^{11020020001121} is an apocalyptic number.

It is an amenable number.

11020020001121 is a deficient number, since it is larger than the sum of its proper divisors (186780000079).

11020020001121 is an equidigital number, since it uses as much as digits as its factorization.

11020020001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186780000078.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11020020001121 its reverse (12110002002011), we get a palindrome (23130022003132).

The spelling of 11020020001121 in words is "eleven trillion, twenty billion, twenty million, one thousand, one hundred twenty-one".