102432232112221 has 16 divisors (see below), whose sum is σ = 116623820446848. Its totient is φ = 89055371750400.

The previous prime is 102432232112153. The next prime is 102432232112297. The reversal of 102432232112221 is 122211232234201.

It is not a de Polignac number, because 102432232112221 - 2¹⁵ = 102432232079453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102432232112221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102432232115221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35269596 + ... + 38063221.

It is an arithmetic number, because the mean of its divisors is an integer number (7288988777928).

Almost surely, 2^{102432232112221} is an apocalyptic number.

102432232112221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102432232112221 is a deficient number, since it is larger than the sum of its proper divisors (14191588334627).

102432232112221 is a wasteful number, since it uses less digits than its factorization.

102432232112221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73338372.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 102432232112221 its reverse (122211232234201), we get a palindrome (224643464346422).

The spelling of 102432232112221 in words is "one hundred two trillion, four hundred thirty-two billion, two hundred thirty-two million, one hundred twelve thousand, two hundred twenty-one".