103121131103 has 2 divisors, whose sum is σ = 103121131104. Its totient is φ = 103121131102.

The previous prime is 103121131081. The next prime is 103121131133. The reversal of 103121131103 is 301131121301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103121131103 - 2¹⁸ = 103120868959 is a prime.

It is a super-2 number, since 2×103121131103² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103121131133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51560565551 + 51560565552.

It is an arithmetic number, because the mean of its divisors is an integer number (51560565552).

Almost surely, 2^103121131103 is an apocalyptic number.

103121131103 is a deficient number, since it is larger than the sum of its proper divisors (1).

103121131103 is an equidigital number, since it uses as much as digits as its factorization.

103121131103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 103121131103 its reverse (301131121301), we get a palindrome (404252252404).

The spelling of 103121131103 in words is "one hundred three billion, one hundred twenty-one million, one hundred thirty-one thousand, one hundred three".