10201121131 has 4 divisors (see below), whose sum is σ = 10218987064. Its totient is φ = 10183255200.

The previous prime is 10201121129. The next prime is 10201121141. The reversal of 10201121131 is 13112110201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13112110201 = 109 ⋅120294589.

It is a cyclic number.

It is not a de Polignac number, because 10201121131 - 2¹ = 10201121129 is a prime.

It is a super-2 number, since 2×10201121131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10201121141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8932110 + ... + 8933251.

It is an arithmetic number, because the mean of its divisors is an integer number (2554746766).

Almost surely, 2^10201121131 is an apocalyptic number.

10201121131 is a deficient number, since it is larger than the sum of its proper divisors (17865933).

10201121131 is an equidigital number, since it uses as much as digits as its factorization.

10201121131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17865932.

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

Adding to 10201121131 its reverse (13112110201), we get a palindrome (23313231332).

The spelling of 10201121131 in words is "ten billion, two hundred one million, one hundred twenty-one thousand, one hundred thirty-one".