201211441131 has 32 divisors (see below), whose sum is σ = 287298604800. Its totient is φ = 124879104000.

The previous prime is 201211441127. The next prime is 201211441147. The reversal of 201211441131 is 131144112102.

It is not a de Polignac number, because 201211441131 - 2² = 201211441127 is a prime.

It is a super-2 number, since 2×201211441131² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201211441098 and 201211441107.

It is not an unprimeable number, because it can be changed into a prime (201211448131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10082395 + ... + 10102331.

It is an arithmetic number, because the mean of its divisors is an integer number (8978081400).

Almost surely, 2^201211441131 is an apocalyptic number.

201211441131 is a deficient number, since it is larger than the sum of its proper divisors (86087163669).

201211441131 is a wasteful number, since it uses less digits than its factorization.

201211441131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23019.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 201211441131 its reverse (131144112102), we get a palindrome (332355553233).

The spelling of 201211441131 in words is "two hundred one billion, two hundred eleven million, four hundred forty-one thousand, one hundred thirty-one".