11220110120121 has 8 divisors (see below), whose sum is σ = 17097310659264. Its totient is φ = 6411491497200.

The previous prime is 11220110120017. The next prime is 11220110120143. The reversal of 11220110120121 is 12102101102211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11220110120121 - 2¹⁵ = 11220110087353 is a prime.

It is a super-2 number, since 2×11220110120121² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11220110120121.

It is not an unprimeable number, because it can be changed into a prime (11220110020121) 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, 267145479030 + ... + 267145479071.

It is an arithmetic number, because the mean of its divisors is an integer number (2137163832408).

Almost surely, 2^{11220110120121} is an apocalyptic number.

It is an amenable number.

11220110120121 is a deficient number, since it is larger than the sum of its proper divisors (5877200539143).

11220110120121 is an equidigital number, since it uses as much as digits as its factorization.

11220110120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534290958111.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11220110120121 its reverse (12102101102211), we get a palindrome (23322211222332).

The spelling of 11220110120121 in words is "eleven trillion, two hundred twenty billion, one hundred ten million, one hundred twenty thousand, one hundred twenty-one".