102221100110210 has 32 divisors (see below), whose sum is σ = 184117939557552. Its totient is φ = 40861785381120.

The previous prime is 102221100110197. The next prime is 102221100110221. The reversal of 102221100110210 is 12011001122201.

It can be written as a sum of positive squares in 8 ways, for example, as 3981226080601 + 98239874029609 = 1995301^2 + 9911603^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289614440 + ... + 289967180.

Almost surely, 2^{102221100110210} is an apocalyptic number.

102221100110210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102221100110210 is a deficient number, since it is larger than the sum of its proper divisors (81896839447342).

102221100110210 is a wasteful number, since it uses less digits than its factorization.

102221100110210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371558.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102221100110210 its reverse (12011001122201), we get a palindrome (114232101232411).

The spelling of 102221100110210 in words is "one hundred two trillion, two hundred twenty-one billion, one hundred million, one hundred ten thousand, two hundred ten".