102221200010 has 8 divisors (see below), whose sum is σ = 183998160036. Its totient is φ = 40888480000.

The previous prime is 102221199967. The next prime is 102221200019. The reversal of 102221200010 is 10002122201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 83265142249 + 18956057761 = 288557^2 + 137681^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 102221199964 and 102221200000.

It is not an unprimeable number, because it can be changed into a prime (102221200019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5111059991 + ... + 5111060010.

Almost surely, 2^102221200010 is an apocalyptic number.

102221200010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102221200010 is a deficient number, since it is larger than the sum of its proper divisors (81776960026).

102221200010 is a wasteful number, since it uses less digits than its factorization.

102221200010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10222120008.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 102221200010 its reverse (10002122201), we get a palindrome (112223322211).

The spelling of 102221200010 in words is "one hundred two billion, two hundred twenty-one million, two hundred thousand, ten".