201001132142 has 8 divisors (see below), whose sum is σ = 301530441432. Its totient is φ = 100490985000.

The previous prime is 201001132141. The next prime is 201001132177. The reversal of 201001132142 is 241231100102.

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

It is a self number, because there is not a number n which added to its sum of digits gives 201001132142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201001132141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4764284 + ... + 4806287.

It is an arithmetic number, because the mean of its divisors is an integer number (37691305179).

Almost surely, 2^201001132142 is an apocalyptic number.

201001132142 is a deficient number, since it is larger than the sum of its proper divisors (100529309290).

201001132142 is a wasteful number, since it uses less digits than its factorization.

201001132142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9581074.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 201001132142 its reverse (241231100102), we get a palindrome (442232232244).

The spelling of 201001132142 in words is "two hundred one billion, one million, one hundred thirty-two thousand, one hundred forty-two".