102201100123 has 16 divisors (see below), whose sum is σ = 108737699616. Its totient is φ = 95723274240.

The previous prime is 102201100117. The next prime is 102201100151. The reversal of 102201100123 is 321001102201.

It is a cyclic number.

It is not a de Polignac number, because 102201100123 - 2⁵ = 102201100091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102201100103) 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, 8363488 + ... + 8375698.

It is an arithmetic number, because the mean of its divisors is an integer number (6796106226).

Almost surely, 2^102201100123 is an apocalyptic number.

102201100123 is a deficient number, since it is larger than the sum of its proper divisors (6536599493).

102201100123 is a wasteful number, since it uses less digits than its factorization.

102201100123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14574.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 102201100123 its reverse (321001102201), we get a palindrome (423202202324).

The spelling of 102201100123 in words is "one hundred two billion, two hundred one million, one hundred thousand, one hundred twenty-three".