10201123131011 has 4 divisors (see below), whose sum is σ = 10201637242632. Its totient is φ = 10200609019392.

The previous prime is 10201123130981. The next prime is 10201123131103. The reversal of 10201123131011 is 11013132110201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10201123131011 - 2³⁸ = 9926245224067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10201123101011) 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 3 ways as a sum of consecutive naturals, for example, 257026046 + ... + 257065731.

It is an arithmetic number, because the mean of its divisors is an integer number (2550409310658).

Almost surely, 2^{10201123131011} is an apocalyptic number.

10201123131011 is a deficient number, since it is larger than the sum of its proper divisors (514111621).

10201123131011 is an equidigital number, since it uses as much as digits as its factorization.

10201123131011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514111620.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 10201123131011 its reverse (11013132110201), we get a palindrome (21214255241212).

The spelling of 10201123131011 in words is "ten trillion, two hundred one billion, one hundred twenty-three million, one hundred thirty-one thousand, eleven".