102321102011442 has 16 divisors (see below), whose sum is σ = 209401325047200. Its totient is φ = 33313847166432.

The previous prime is 102321102011363. The next prime is 102321102011449. The reversal of 102321102011442 is 244110201123201.

It is not an unprimeable number, because it can be changed into a prime (102321102011449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198296709067 + ... + 198296709582.

It is an arithmetic number, because the mean of its divisors is an integer number (13087582815450).

Almost surely, 2^{102321102011442} is an apocalyptic number.

102321102011442 is an abundant number, since it is smaller than the sum of its proper divisors (107080223035758).

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

102321102011442 is a wasteful number, since it uses less digits than its factorization.

102321102011442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396593418697.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 102321102011442 its reverse (244110201123201), we get a palindrome (346431303134643).

The spelling of 102321102011442 in words is "one hundred two trillion, three hundred twenty-one billion, one hundred two million, eleven thousand, four hundred forty-two".