10020011020101 has 8 divisors (see below), whose sum is σ = 14844460770560. Its totient is φ = 6680007346716.

The previous prime is 10020011020073. The next prime is 10020011020139. The reversal of 10020011020101 is 10102011002001.

It is a happy number.

It is not a de Polignac number, because 10020011020101 - 2⁶ = 10020011020037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020011020141) 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 7 ways as a sum of consecutive naturals, for example, 185555759605 + ... + 185555759658.

It is an arithmetic number, because the mean of its divisors is an integer number (1855557596320).

Almost surely, 2^{10020011020101} is an apocalyptic number.

It is an amenable number.

10020011020101 is a deficient number, since it is larger than the sum of its proper divisors (4824449750459).

10020011020101 is an equidigital number, since it uses as much as digits as its factorization.

10020011020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371111519272 (or 371111519266 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10020011020101 its reverse (10102011002001), we get a palindrome (20122022022102).

The spelling of 10020011020101 in words is "ten trillion, twenty billion, eleven million, twenty thousand, one hundred one".