11121120000121 has 4 divisors (see below), whose sum is σ = 11604646956672. Its totient is φ = 10637593043572.

The previous prime is 11121120000077. The next prime is 11121120000131. The reversal of 11121120000121 is 12100002112111.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 11121120000121 - 2³¹ = 11118972516473 is a prime.

It is a super-2 number, since 2×11121120000121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11121120000131) 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, 241763478241 + ... + 241763478286.

It is an arithmetic number, because the mean of its divisors is an integer number (2901161739168).

Almost surely, 2^{11121120000121} is an apocalyptic number.

It is an amenable number.

11121120000121 is a deficient number, since it is larger than the sum of its proper divisors (483526956551).

11121120000121 is an equidigital number, since it uses as much as digits as its factorization.

11121120000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483526956550.

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

Adding to 11121120000121 its reverse (12100002112111), we get a palindrome (23221122112232).

The spelling of 11121120000121 in words is "eleven trillion, one hundred twenty-one billion, one hundred twenty million, one hundred twenty-one", and thus it is an aban number.