11121033120031 has 4 divisors (see below), whose sum is σ = 11121922601712. Its totient is φ = 11120143638352.

The previous prime is 11121033120017. The next prime is 11121033120083. The reversal of 11121033120031 is 13002133012111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11121033120031 is a prime.

It is a super-2 number, since 2×11121033120031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11121033119990 and 11121033120008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121033120091) 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, 444722086 + ... + 444747091.

It is an arithmetic number, because the mean of its divisors is an integer number (2780480650428).

Almost surely, 2^{11121033120031} is an apocalyptic number.

11121033120031 is a deficient number, since it is larger than the sum of its proper divisors (889481681).

11121033120031 is an equidigital number, since it uses as much as digits as its factorization.

11121033120031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889481680.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 11121033120031 its reverse (13002133012111), we get a palindrome (24123166132142).

The spelling of 11121033120031 in words is "eleven trillion, one hundred twenty-one billion, thirty-three million, one hundred twenty thousand, thirty-one".