1121112301031 has 4 divisors (see below), whose sum is σ = 1124288256912. Its totient is φ = 1117936345152.

The previous prime is 1121112301007. The next prime is 1121112301063. The reversal of 1121112301031 is 1301032111211.

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-1121112301031 is a prime.

It is a super-2 number, since 2×1121112301031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121112301081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1587977411 + ... + 1587978116.

It is an arithmetic number, because the mean of its divisors is an integer number (281072064228).

Almost surely, 2^{1121112301031} is an apocalyptic number.

1121112301031 is a deficient number, since it is larger than the sum of its proper divisors (3175955881).

1121112301031 is an equidigital number, since it uses as much as digits as its factorization.

1121112301031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3175955880.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1121112301031 its reverse (1301032111211), we get a palindrome (2422144412242).

It can be divided in two parts, 112111 and 2301031, that added together give a palindrome (2413142).

The spelling of 1121112301031 in words is "one trillion, one hundred twenty-one billion, one hundred twelve million, three hundred one thousand, thirty-one".