102221010100210 has 32 divisors (see below), whose sum is σ = 194821841565360. Its totient is φ = 38483080876032.

The previous prime is 102221010100189. The next prime is 102221010100267. The reversal of 102221010100210 is 12001010122201.

It can be written as a sum of positive squares in 8 ways, for example, as 18563956405281 + 83657053694929 = 4308591^2 + 9146423^2 .

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, 66182026 + ... + 67708954.

Almost surely, 2^{102221010100210} is an apocalyptic number.

102221010100210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102221010100210 is a deficient number, since it is larger than the sum of its proper divisors (92600831465150).

102221010100210 is a wasteful number, since it uses less digits than its factorization.

102221010100210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920750.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102221010100210 its reverse (12001010122201), we get a palindrome (114222020222411).

The spelling of 102221010100210 in words is "one hundred two trillion, two hundred twenty-one billion, ten million, one hundred thousand, two hundred ten".