201130003081123 has 2 divisors, whose sum is σ = 201130003081124. Its totient is φ = 201130003081122.

The previous prime is 201130003081121. The next prime is 201130003081181. The reversal of 201130003081123 is 321180300031102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201130003081123 - 2¹ = 201130003081121 is a prime.

It is a super-2 number, since 2×201130003081123² (a number of 29 digits) contains 22 as substring.

Together with 201130003081121, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (201130003081121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100565001540561 + 100565001540562.

It is an arithmetic number, because the mean of its divisors is an integer number (100565001540562).

Almost surely, 2^{201130003081123} is an apocalyptic number.

201130003081123 is a deficient number, since it is larger than the sum of its proper divisors (1).

201130003081123 is an equidigital number, since it uses as much as digits as its factorization.

201130003081123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 201130003081123 in words is "two hundred one trillion, one hundred thirty billion, three million, eighty-one thousand, one hundred twenty-three".