1121103113031 has 96 divisors (see below), whose sum is σ = 1897540706880. Its totient is φ = 630308044800.

The previous prime is 1121103113027. The next prime is 1121103113033. The reversal of 1121103113031 is 1303113011211.

It is not a de Polignac number, because 1121103113031 - 2² = 1121103113027 is a prime.

It is a super-2 number, since 2×1121103113031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1121103112995 and 1121103113013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121103113033) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 34406115 + ... + 34438683.

It is an arithmetic number, because the mean of its divisors is an integer number (19766049030).

Almost surely, 2^{1121103113031} is an apocalyptic number.

1121103113031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1121103113031 is a deficient number, since it is larger than the sum of its proper divisors (776437593849).

1121103113031 is a wasteful number, since it uses less digits than its factorization.

1121103113031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32897 (or 32894 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 1121103113031 its reverse (1303113011211), we get a palindrome (2424216124242).

The spelling of 1121103113031 in words is "one trillion, one hundred twenty-one billion, one hundred three million, one hundred thirteen thousand, thirty-one".