1121010103 has 2 divisors, whose sum is σ = 1121010104. Its totient is φ = 1121010102.

The previous prime is 1121010083. The next prime is 1121010139. The reversal of 1121010103 is 3010101211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1121010103 - 2¹⁷ = 1120879031 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1121010103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121010403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560505051 + 560505052.

It is an arithmetic number, because the mean of its divisors is an integer number (560505052).

Almost surely, 2^1121010103 is an apocalyptic number.

1121010103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121010103 is an equidigital number, since it uses as much as digits as its factorization.

1121010103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 1121010103 is about 33481.4889603196. The cubic root of 1121010103 is about 1038.8109261970.

Adding to 1121010103 its reverse (3010101211), we get a palindrome (4131111314).

The spelling of 1121010103 in words is "one billion, one hundred twenty-one million, ten thousand, one hundred three".