201102243342 has 256 divisors, whose sum is σ = 587253639168. Its totient is φ = 44152750080.

The previous prime is 201102243311. The next prime is 201102243347. The reversal of 201102243342 is 243342201102.

It is a happy number.

It is a super-2 number, since 2×201102243342² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201102243347) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3751158 + ... + 3804390.

It is an arithmetic number, because the mean of its divisors is an integer number (2293959528).

Almost surely, 2^201102243342 is an apocalyptic number.

201102243342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 201102243342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293626819584).

201102243342 is an abundant number, since it is smaller than the sum of its proper divisors (386151395826).

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

201102243342 is a wasteful number, since it uses less digits than its factorization.

201102243342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53323.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 201102243342 its reverse (243342201102), we get a palindrome (444444444444).

It can be divided in two parts, 201102 and 243342, that added together give a palindrome (444444).

The spelling of 201102243342 in words is "two hundred one billion, one hundred two million, two hundred forty-three thousand, three hundred forty-two".