720010010100103 has 2 divisors, whose sum is σ = 720010010100104. Its totient is φ = 720010010100102.

The previous prime is 720010010100083. The next prime is 720010010100193. The reversal of 720010010100103 is 301001010010027.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 720010010100103 - 2⁴¹ = 717810986844551 is a prime.

It is a super-2 number, since 2×720010010100103² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (720010010100193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360005005050051 + 360005005050052.

It is an arithmetic number, because the mean of its divisors is an integer number (360005005050052).

Almost surely, 2^{720010010100103} is an apocalyptic number.

720010010100103 is a deficient number, since it is larger than the sum of its proper divisors (1).

720010010100103 is an equidigital number, since it uses as much as digits as its factorization.

720010010100103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42, while the sum is 16.

The spelling of 720010010100103 in words is "seven hundred twenty trillion, ten billion, ten million, one hundred thousand, one hundred three".