201224101131 has 12 divisors (see below), whose sum is σ = 294995200552. Its totient is φ = 132147170496.

The previous prime is 201224101129. The next prime is 201224101151. The reversal of 201224101131 is 131101422102.

201224101131 is a `hidden beast` number, since 2 + 0 + 122 + 410 + 1 + 131 = 666.

It is not a de Polignac number, because 201224101131 - 2¹ = 201224101129 is a prime.

It is a super-2 number, since 2×201224101131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201224101151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166851886 + ... + 166853091.

Almost surely, 2^201224101131 is an apocalyptic number.

201224101131 is a deficient number, since it is larger than the sum of its proper divisors (93771099421).

201224101131 is a wasteful number, since it uses less digits than its factorization.

201224101131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333705050 (or 333705047 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 201224101131 its reverse (131101422102), we get a palindrome (332325523233).

The spelling of 201224101131 in words is "two hundred one billion, two hundred twenty-four million, one hundred one thousand, one hundred thirty-one".