10001121131 has 8 divisors (see below), whose sum is σ = 10738570464. Its totient is φ = 9280243840.

The previous prime is 10001121113. The next prime is 10001121133. The reversal of 10001121131 is 13112110001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10001121131 - 2²⁶ = 9934012267 is a prime.

It is a super-2 number, since 2×10001121131² (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 (10001121133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4141760 + ... + 4144173.

It is an arithmetic number, because the mean of its divisors is an integer number (1342321308).

Almost surely, 2^10001121131 is an apocalyptic number.

10001121131 is a deficient number, since it is larger than the sum of its proper divisors (737449333).

10001121131 is an equidigital number, since it uses as much as digits as its factorization.

10001121131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8286021.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 10001121131 its reverse (13112110001), we get a palindrome (23113231132).

The spelling of 10001121131 in words is "ten billion, one million, one hundred twenty-one thousand, one hundred thirty-one".