11110020211121 has 8 divisors (see below), whose sum is σ = 11993056722024. Its totient is φ = 10231043639040.

The previous prime is 11110020211117. The next prime is 11110020211123. The reversal of 11110020211121 is 12111202001111.

It can be written as a sum of positive squares in 4 ways, for example, as 56463264400 + 11053556946721 = 237620^2 + 3324689^2 .

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 11110020211121 - 2² = 11110020211117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11110020211096 and 11110020211105.

It is not an unprimeable number, because it can be changed into a prime (11110020211123) 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, 1014979016 + ... + 1014989961.

It is an arithmetic number, because the mean of its divisors is an integer number (1499132090253).

Almost surely, 2^{11110020211121} is an apocalyptic number.

It is an amenable number.

11110020211121 is a deficient number, since it is larger than the sum of its proper divisors (883036510903).

11110020211121 is a wasteful number, since it uses less digits than its factorization.

11110020211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2029969411.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11110020211121 its reverse (12111202001111), we get a palindrome (23221222212232).

The spelling of 11110020211121 in words is "eleven trillion, one hundred ten billion, twenty million, two hundred eleven thousand, one hundred twenty-one".