1013123020101 has 16 divisors (see below), whose sum is σ = 1367304496320. Its totient is φ = 667180811520.

The previous prime is 1013123020087. The next prime is 1013123020121. The reversal of 1013123020101 is 1010203213101.

It is a happy number.

It is not a de Polignac number, because 1013123020101 - 2⁵ = 1013123020069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013123020121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1441035 + ... + 2025543.

It is an arithmetic number, because the mean of its divisors is an integer number (85456531020).

Almost surely, 2^{1013123020101} is an apocalyptic number.

It is an amenable number.

1013123020101 is a deficient number, since it is larger than the sum of its proper divisors (354181476219).

1013123020101 is an equidigital number, since it uses as much as digits as its factorization.

1013123020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591556.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1013123020101 its reverse (1010203213101), we get a palindrome (2023326233202).

The spelling of 1013123020101 in words is "one trillion, thirteen billion, one hundred twenty-three million, twenty thousand, one hundred one".