201342230021 has 8 divisors (see below), whose sum is σ = 203428694784. Its totient is φ = 199255985280.

The previous prime is 201342230009. The next prime is 201342230077. The reversal of 201342230021 is 120032243102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201342230021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201342229975 and 201342230002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201342130021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2306786 + ... + 2392476.

It is an arithmetic number, because the mean of its divisors is an integer number (25428586848).

Almost surely, 2^201342230021 is an apocalyptic number.

It is an amenable number.

201342230021 is a deficient number, since it is larger than the sum of its proper divisors (2086464763).

201342230021 is an equidigital number, since it uses as much as digits as its factorization.

201342230021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110011.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 201342230021 its reverse (120032243102), we get a palindrome (321374473123).

The spelling of 201342230021 in words is "two hundred one billion, three hundred forty-two million, two hundred thirty thousand, twenty-one".