11010220012121 has 16 divisors (see below), whose sum is σ = 12726950283648. Its totient is φ = 9413647622400.

The previous prime is 11010220012049. The next prime is 11010220012147. The reversal of 11010220012121 is 12121002201011.

It is a cyclic number.

It is not a de Polignac number, because 11010220012121 - 2¹⁰ = 11010220011097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11010220012096 and 11010220012105.

It is not an unprimeable number, because it can be changed into a prime (11010220012151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21184685 + ... + 21698186.

It is an arithmetic number, because the mean of its divisors is an integer number (795434392728).

Almost surely, 2^{11010220012121} is an apocalyptic number.

11010220012121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11010220012121 is a deficient number, since it is larger than the sum of its proper divisors (1716730271527).

11010220012121 is a wasteful number, since it uses less digits than its factorization.

11010220012121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42884272.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11010220012121 its reverse (12121002201011), we get a palindrome (23131222213132).

The spelling of 11010220012121 in words is "eleven trillion, ten billion, two hundred twenty million, twelve thousand, one hundred twenty-one".