201243342102 has 128 divisors (see below), whose sum is σ = 459276604416. Its totient is φ = 58242240000.

The previous prime is 201243342073. The next prime is 201243342119.

It is a happy number.

201243342102 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 93993952 + ... + 93996092.

It is an arithmetic number, because the mean of its divisors is an integer number (3588098472).

Almost surely, 2^201243342102 is an apocalyptic number.

201243342102 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 201243342102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229638302208).

201243342102 is an abundant number, since it is smaller than the sum of its proper divisors (258033262314).

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

201243342102 is a wasteful number, since it uses less digits than its factorization.

201243342102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2886.

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

It can be divided in two parts, 201243 and 342102, that added together give a palindrome (543345).

The spelling of 201243342102 in words is "two hundred one billion, two hundred forty-three million, three hundred forty-two thousand, one hundred two".