11020110120121 has 4 divisors (see below), whose sum is σ = 11020789174500. Its totient is φ = 11019431065744.

The previous prime is 11020110120079. The next prime is 11020110120167. The reversal of 11020110120121 is 12102101102011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8021016979600 + 2999093140521 = 2832140^2 + 1731789^2 .

It is a cyclic number.

It is not a de Polignac number, because 11020110120121 - 2²⁵ = 11020076565689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11020110720121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339502846 + ... + 339535303.

It is an arithmetic number, because the mean of its divisors is an integer number (2755197293625).

Almost surely, 2^{11020110120121} is an apocalyptic number.

It is an amenable number.

11020110120121 is a deficient number, since it is larger than the sum of its proper divisors (679054379).

11020110120121 is an equidigital number, since it uses as much as digits as its factorization.

11020110120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679054378.

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

Adding to 11020110120121 its reverse (12102101102011), we get a palindrome (23122211222132).

The spelling of 11020110120121 in words is "eleven trillion, twenty billion, one hundred ten million, one hundred twenty thousand, one hundred twenty-one".