1001011103 has 2 divisors, whose sum is σ = 1001011104. Its totient is φ = 1001011102.

The previous prime is 1001011073. The next prime is 1001011117. The reversal of 1001011103 is 3011101001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1001011103 - 2¹⁴ = 1000994719 is a prime.

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 (1001011003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500505551 + 500505552.

It is an arithmetic number, because the mean of its divisors is an integer number (500505552).

Almost surely, 2^1001011103 is an apocalyptic number.

1001011103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001011103 is an equidigital number, since it uses as much as digits as its factorization.

1001011103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3, while the sum is 8.

The square root of 1001011103 is about 31638.7595047593. The cubic root of 1001011103 is about 1000.3369208050.

Adding to 1001011103 its reverse (3011101001), we get a palindrome (4012112104).

The spelling of 1001011103 in words is "one billion, one million, eleven thousand, one hundred three".