1011320020101 has 16 divisors (see below), whose sum is σ = 1422110512640. Its totient is φ = 637507136880.

The previous prime is 1011320020079. The next prime is 1011320020159. The reversal of 1011320020101 is 1010200231101.

It is not a de Polignac number, because 1011320020101 - 2⁵ = 1011320020069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011320020181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16932385 + ... + 16992006.

It is an arithmetic number, because the mean of its divisors is an integer number (88881907040).

Almost surely, 2^{1011320020101} is an apocalyptic number.

It is an amenable number.

1011320020101 is a deficient number, since it is larger than the sum of its proper divisors (410790492539).

1011320020101 is a wasteful number, since it uses less digits than its factorization.

1011320020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33924936.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 1011320020101 its reverse (1010200231101), we get a palindrome (2021520251202).

The spelling of 1011320020101 in words is "one trillion, eleven billion, three hundred twenty million, twenty thousand, one hundred one".