101011000100503 has 2 divisors, whose sum is σ = 101011000100504. Its totient is φ = 101011000100502.

The previous prime is 101011000100489. The next prime is 101011000100539. The reversal of 101011000100503 is 305001000110101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101011000100503 - 2³⁷ = 100873561147031 is a prime.

It is a super-2 number, since 2×101011000100503² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101011000100903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50505500050251 + 50505500050252.

It is an arithmetic number, because the mean of its divisors is an integer number (50505500050252).

Almost surely, 2^{101011000100503} is an apocalyptic number.

101011000100503 is a deficient number, since it is larger than the sum of its proper divisors (1).

101011000100503 is an equidigital number, since it uses as much as digits as its factorization.

101011000100503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15, while the sum is 13.

Adding to 101011000100503 its reverse (305001000110101), we get a palindrome (406012000210604).

The spelling of 101011000100503 in words is "one hundred one trillion, eleven billion, one hundred thousand, five hundred three".