20011012010113 has 12 divisors (see below), whose sum is σ = 21127935278208. Its totient is φ = 18950368462200.

The previous prime is 20011012010081. The next prime is 20011012010137. The reversal of 20011012010113 is 31101021011002.

It is a happy number.

It is not a de Polignac number, because 20011012010113 - 2⁵ = 20011012010081 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20011012010093 and 20011012010102.

It is not an unprimeable number, because it can be changed into a prime (20011012010513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9943881 + ... + 11785702.

It is an arithmetic number, because the mean of its divisors is an integer number (1760661273184).

Almost surely, 2^{20011012010113} is an apocalyptic number.

It is an amenable number.

20011012010113 is a deficient number, since it is larger than the sum of its proper divisors (1116923268095).

20011012010113 is a wasteful number, since it uses less digits than its factorization.

20011012010113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21732172 (or 21732153 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 20011012010113 its reverse (31101021011002), we get a palindrome (51112033021115).

The spelling of 20011012010113 in words is "twenty trillion, eleven billion, twelve million, ten thousand, one hundred thirteen".