201131204214123 has 6 divisors (see below), whose sum is σ = 290522850531524. Its totient is φ = 134087469476076.

The previous prime is 201131204214097. The next prime is 201131204214133. The reversal of 201131204214123 is 321412402131102.

201131204214123 is a `hidden beast` number, since 2 + 0 + 11 + 31 + 204 + 2 + 1 + 412 + 3 = 666.

It is not a de Polignac number, because 201131204214123 - 2¹⁴ = 201131204197739 is a prime.

It is a super-2 number, since 2×201131204214123² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201131204214133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11173955789665 + ... + 11173955789682.

Almost surely, 2^{201131204214123} is an apocalyptic number.

201131204214123 is a deficient number, since it is larger than the sum of its proper divisors (89391646317401).

201131204214123 is a wasteful number, since it uses less digits than its factorization.

201131204214123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22347911579353 (or 22347911579350 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 201131204214123 its reverse (321412402131102), we get a palindrome (522543606345225).

The spelling of 201131204214123 in words is "two hundred one trillion, one hundred thirty-one billion, two hundred four million, two hundred fourteen thousand, one hundred twenty-three".