11122012120121 has 4 divisors (see below), whose sum is σ = 12710870994432. Its totient is φ = 9533153245812.

The previous prime is 11122012120091. The next prime is 11122012120129. The reversal of 11122012120121 is 12102121022111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11122012120121 - 2¹⁴ = 11122012103737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11122012120121.

It is not an unprimeable number, because it can be changed into a prime (11122012120129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 794429437145 + ... + 794429437158.

It is an arithmetic number, because the mean of its divisors is an integer number (3177717748608).

Almost surely, 2^{11122012120121} is an apocalyptic number.

It is an amenable number.

11122012120121 is a deficient number, since it is larger than the sum of its proper divisors (1588858874311).

11122012120121 is an equidigital number, since it uses as much as digits as its factorization.

11122012120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588858874310.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11122012120121 its reverse (12102121022111), we get a palindrome (23224133142232).

The spelling of 11122012120121 in words is "eleven trillion, one hundred twenty-two billion, twelve million, one hundred twenty thousand, one hundred twenty-one".