2102340232242 has 48 divisors (see below), whose sum is σ = 4929158445120. Its totient is φ = 670311374832.

The previous prime is 2102340232241. The next prime is 2102340232247. The reversal of 2102340232242 is 2422320432012.

2102340232242 is a `hidden beast` number, since 2 + 10 + 2 + 3 + 402 + 3 + 2 + 242 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2102340232241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94028017 + ... + 94050372.

It is an arithmetic number, because the mean of its divisors is an integer number (102690800940).

Almost surely, 2^{2102340232242} is an apocalyptic number.

2102340232242 is an abundant number, since it is smaller than the sum of its proper divisors (2826818212878).

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

2102340232242 is a wasteful number, since it uses less digits than its factorization.

2102340232242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188078429 (or 188078417 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 2102340232242 its reverse (2422320432012), we get a palindrome (4524660664254).

The spelling of 2102340232242 in words is "two trillion, one hundred two billion, three hundred forty million, two hundred thirty-two thousand, two hundred forty-two".