102340442022 has 128 divisors (see below), whose sum is σ = 259367270400. Its totient is φ = 26199106560.

The previous prime is 102340441939. The next prime is 102340442033. The reversal of 102340442022 is 220244043201.

It is a junction number, because it is equal to n+sod(n) for n = 102340441983 and 102340442001.

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, 4443328 + ... + 4466300.

It is an arithmetic number, because the mean of its divisors is an integer number (2026306800).

Almost surely, 2^102340442022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102340442022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129683635200).

102340442022 is an abundant number, since it is smaller than the sum of its proper divisors (157026828378).

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

102340442022 is a wasteful number, since it uses less digits than its factorization.

102340442022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23238.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 102340442022 its reverse (220244043201), we get a palindrome (322584485223).

The spelling of 102340442022 in words is "one hundred two billion, three hundred forty million, four hundred forty-two thousand, twenty-two".