102112010110221 has 32 divisors (see below), whose sum is σ = 148055572177920. Its totient is φ = 62338114999296.

The previous prime is 102112010110207. The next prime is 102112010110241. The reversal of 102112010110221 is 122011010211201.

It is a happy number.

It is not a de Polignac number, because 102112010110221 - 2²⁶ = 102111943001357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102112010110221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102112010110241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 417276420 + ... + 417521058.

It is an arithmetic number, because the mean of its divisors is an integer number (4626736630560).

Almost surely, 2^{102112010110221} is an apocalyptic number.

It is an amenable number.

102112010110221 is a deficient number, since it is larger than the sum of its proper divisors (45943562067699).

102112010110221 is a wasteful number, since it uses less digits than its factorization.

102112010110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465893.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 102112010110221 its reverse (122011010211201), we get a palindrome (224123020321422).

The spelling of 102112010110221 in words is "one hundred two trillion, one hundred twelve billion, ten million, one hundred ten thousand, two hundred twenty-one".