2102341402242 has 24 divisors (see below), whose sum is σ = 4558132245420. Its totient is φ = 700309820160.

The previous prime is 2102341402237. The next prime is 2102341402307. The reversal of 2102341402242 is 2422041432012.

It is a happy number.

2102341402242 is a `hidden beast` number, since 2 + 1 + 0 + 2 + 3 + 414 + 0 + 2 + 242 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1751416674921 + 350924727321 = 1323411^2 + 592389^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39193059 + ... + 39246662.

Almost surely, 2^{2102341402242} is an apocalyptic number.

2102341402242 is an abundant number, since it is smaller than the sum of its proper divisors (2455790843178).

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

2102341402242 is a wasteful number, since it uses less digits than its factorization.

2102341402242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78441218 (or 78441215 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 2102341402242 its reverse (2422041432012), we get a palindrome (4524382834254).

The spelling of 2102341402242 in words is "two trillion, one hundred two billion, three hundred forty-one million, four hundred two thousand, two hundred forty-two".