1121120100103 has 2 divisors, whose sum is σ = 1121120100104. Its totient is φ = 1121120100102.

The previous prime is 1121120100091. The next prime is 1121120100187. The reversal of 1121120100103 is 3010010211211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121120100103 is a prime.

It is a super-2 number, since 2×1121120100103² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121120100203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560560050051 + 560560050052.

It is an arithmetic number, because the mean of its divisors is an integer number (560560050052).

Almost surely, 2^{1121120100103} is an apocalyptic number.

1121120100103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121120100103 is an equidigital number, since it uses as much as digits as its factorization.

1121120100103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1121120100103 its reverse (3010010211211), we get a palindrome (4131130311314).

The spelling of 1121120100103 in words is "one trillion, one hundred twenty-one billion, one hundred twenty million, one hundred thousand, one hundred three".