201420340111 has 8 divisors (see below), whose sum is σ = 204434162864. Its totient is φ = 198406739520.

The previous prime is 201420340109. The next prime is 201420340153. The reversal of 201420340111 is 111043024102.

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

It is a cyclic number.

It is not a de Polignac number, because 201420340111 - 2¹ = 201420340109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201420340411) 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, 3107611 + ... + 3171763.

It is an arithmetic number, because the mean of its divisors is an integer number (25554270358).

Almost surely, 2^201420340111 is an apocalyptic number.

201420340111 is a deficient number, since it is larger than the sum of its proper divisors (3013822753).

201420340111 is an equidigital number, since it uses as much as digits as its factorization.

201420340111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111081.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 201420340111 its reverse (111043024102), we get a palindrome (312463364213).

The spelling of 201420340111 in words is "two hundred one billion, four hundred twenty million, three hundred forty thousand, one hundred eleven".