201342111104420 has 192 divisors, whose sum is σ = 512903344084992. Its totient is φ = 65385169920000.

The previous prime is 201342111104419. The next prime is 201342111104423. The reversal of 201342111104420 is 24401111243102.

201342111104420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 201342111104420.

It is not an unprimeable number, because it can be changed into a prime (201342111104423) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 322144220 + ... + 322768620.

It is an arithmetic number, because the mean of its divisors is an integer number (2671371583776).

Almost surely, 2^{201342111104420} is an apocalyptic number.

201342111104420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201342111104420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256451672042496).

201342111104420 is an abundant number, since it is smaller than the sum of its proper divisors (311561232980572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201342111104420 is a wasteful number, since it uses less digits than its factorization.

201342111104420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628102 (or 628100 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 201342111104420 its reverse (24401111243102), we get a palindrome (225743222347522).

The spelling of 201342111104420 in words is "two hundred one trillion, three hundred forty-two billion, one hundred eleven million, one hundred four thousand, four hundred twenty".