11021120021101 has 6 divisors (see below), whose sum is σ = 11631708388302. Its totient is φ = 10441061072280.

The previous prime is 11021120021099. The next prime is 11021120021143. The reversal of 11021120021101 is 10112002112011.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10723332622500 + 297787398601 = 3274650^2 + 545699^2 .

It is not a de Polignac number, because 11021120021101 - 2¹ = 11021120021099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021120021161) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15264708810 + ... + 15264709531.

It is an arithmetic number, because the mean of its divisors is an integer number (1938618064717).

Almost surely, 2^{11021120021101} is an apocalyptic number.

It is an amenable number.

11021120021101 is a deficient number, since it is larger than the sum of its proper divisors (610588367201).

11021120021101 is an equidigital number, since it uses as much as digits as its factorization.

11021120021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30529418379 (or 30529418360 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11021120021101 its reverse (10112002112011), we get a palindrome (21133122133112).

The spelling of 11021120021101 in words is "eleven trillion, twenty-one billion, one hundred twenty million, twenty-one thousand, one hundred one".