12101131131 has 8 divisors (see below), whose sum is σ = 17083949904. Its totient is φ = 7592866560.

The previous prime is 12101131129. The next prime is 12101131153. The reversal of 12101131131 is 13113110121.

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

It is not a de Polignac number, because 12101131131 - 2¹ = 12101131129 is a prime.

It is a super-2 number, since 2×12101131131² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12101131131.

It is not an unprimeable number, because it can be changed into a prime (12101131111) 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, 118638490 + ... + 118638591.

It is an arithmetic number, because the mean of its divisors is an integer number (2135493738).

Almost surely, 2^12101131131 is an apocalyptic number.

12101131131 is a deficient number, since it is larger than the sum of its proper divisors (4982818773).

12101131131 is a wasteful number, since it uses less digits than its factorization.

12101131131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237277101.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 12101131131 its reverse (13113110121), we get a palindrome (25214241252).

The spelling of 12101131131 in words is "twelve billion, one hundred one million, one hundred thirty-one thousand, one hundred thirty-one".