102204403120042 has 16 divisors (see below), whose sum is σ = 154235851397064. Its totient is φ = 50793359680000.

The previous prime is 102204403119961. The next prime is 102204403120063. The reversal of 102204403120042 is 240021304402201.

It can be written as a sum of positive squares in 4 ways, for example, as 96488951848641 + 5715451271401 = 9822879^2 + 2390701^2 .

It is a super-3 number, since 3×102204403120042³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102204403119989 and 102204403120016.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226530709 + ... + 226981432.

Almost surely, 2^{102204403120042} is an apocalyptic number.

102204403120042 is a deficient number, since it is larger than the sum of its proper divisors (52031448277022).

102204403120042 is a wasteful number, since it uses less digits than its factorization.

102204403120042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453512825.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 102204403120042 its reverse (240021304402201), we get a palindrome (342225707522243).

The spelling of 102204403120042 in words is "one hundred two trillion, two hundred four billion, four hundred three million, one hundred twenty thousand, forty-two".