102221003204 has 6 divisors (see below), whose sum is σ = 178886755614. Its totient is φ = 51110501600.

The previous prime is 102221003153. The next prime is 102221003207. The reversal of 102221003204 is 402300122201.

It can be written as a sum of positive squares in only one way, i.e., 73467018304 + 28753984900 = 271048^2 + 169570^2 .

It is not an unprimeable number, because it can be changed into a prime (102221003207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12777625397 + ... + 12777625404.

It is an arithmetic number, because the mean of its divisors is an integer number (29814459269).

Almost surely, 2^102221003204 is an apocalyptic number.

It is an amenable number.

102221003204 is a deficient number, since it is larger than the sum of its proper divisors (76665752410).

102221003204 is a wasteful number, since it uses less digits than its factorization.

102221003204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25555250805 (or 25555250803 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 102221003204 its reverse (402300122201), we get a palindrome (504521125405).

The spelling of 102221003204 in words is "one hundred two billion, two hundred twenty-one million, three thousand, two hundred four".