201124131142 has 24 divisors (see below), whose sum is σ = 333458105400. Its totient is φ = 90909313440.

The previous prime is 201124131073. The next prime is 201124131157. The reversal of 201124131142 is 241131421102.

It is a super-2 number, since 2×201124131142² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2278167 + ... + 2364802.

It is an arithmetic number, because the mean of its divisors is an integer number (13894087725).

Almost surely, 2^201124131142 is an apocalyptic number.

201124131142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201124131142 is a deficient number, since it is larger than the sum of its proper divisors (132333974258).

201124131142 is a wasteful number, since it uses less digits than its factorization.

201124131142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4643172 (or 4643161 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 201124131142 its reverse (241131421102), we get a palindrome (442255552244).

The spelling of 201124131142 in words is "two hundred one billion, one hundred twenty-four million, one hundred thirty-one thousand, one hundred forty-two".