102201404444 has 12 divisors (see below), whose sum is σ = 178858134000. Its totient is φ = 51099080448.

The previous prime is 102201404413. The next prime is 102201404489. The reversal of 102201404444 is 444404102201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257669 + ... + 520380.

It is an arithmetic number, because the mean of its divisors is an integer number (14904844500).

Almost surely, 2^102201404444 is an apocalyptic number.

It is an amenable number.

102201404444 is a deficient number, since it is larger than the sum of its proper divisors (76656729556).

102201404444 is a wasteful number, since it uses less digits than its factorization.

102201404444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810892 (or 810890 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 102201404444 its reverse (444404102201), we get a palindrome (546605506645).

The spelling of 102201404444 in words is "one hundred two billion, two hundred one million, four hundred four thousand, four hundred forty-four".