102201110113123 has 16 divisors (see below), whose sum is σ = 117839915833536. Its totient is φ = 86822032066560.

The previous prime is 102201110113099. The next prime is 102201110113187. The reversal of 102201110113123 is 321311011102201.

It is not a de Polignac number, because 102201110113123 - 2³³ = 102192520178531 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102201110113123.

It is not an unprimeable number, because it can be changed into a prime (102201110113423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15960133 + ... + 21427273.

It is an arithmetic number, because the mean of its divisors is an integer number (7364994739596).

Almost surely, 2^{102201110113123} is an apocalyptic number.

102201110113123 is a deficient number, since it is larger than the sum of its proper divisors (15638805720413).

102201110113123 is a wasteful number, since it uses less digits than its factorization.

102201110113123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5490894.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 102201110113123 its reverse (321311011102201), we get a palindrome (423512121215324).

The spelling of 102201110113123 in words is "one hundred two trillion, two hundred one billion, one hundred ten million, one hundred thirteen thousand, one hundred twenty-three".