102401203122 has 48 divisors (see below), whose sum is σ = 226954171392. Its totient is φ = 33359467680.

The previous prime is 102401203087. The next prime is 102401203187. The reversal of 102401203122 is 221302104201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 102401203095 and 102401203104.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 181129 + ... + 487452.

It is an arithmetic number, because the mean of its divisors is an integer number (4728211904).

Almost surely, 2^102401203122 is an apocalyptic number.

102401203122 is an abundant number, since it is smaller than the sum of its proper divisors (124552968270).

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

102401203122 is a wasteful number, since it uses less digits than its factorization.

102401203122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668783 (or 668780 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 102401203122 its reverse (221302104201), we get a palindrome (323703307323).

The spelling of 102401203122 in words is "one hundred two billion, four hundred one million, two hundred three thousand, one hundred twenty-two".