102221201002210 has 16 divisors (see below), whose sum is σ = 184050478660536. Its totient is φ = 40876854432768.

The previous prime is 102221201002201. The next prime is 102221201002211. The reversal of 102221201002210 is 12200102122201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 87856259609889 + 14364941392321 = 9373167^2 + 3790111^2 .

It is not an unprimeable number, because it can be changed into a prime (102221201002211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1453209087 + ... + 1453279426.

Almost surely, 2^{102221201002210} is an apocalyptic number.

102221201002210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102221201002210 is a deficient number, since it is larger than the sum of its proper divisors (81829277658326).

102221201002210 is a wasteful number, since it uses less digits than its factorization.

102221201002210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2906492037.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102221201002210 its reverse (12200102122201), we get a palindrome (114421303124411).

The spelling of 102221201002210 in words is "one hundred two trillion, two hundred twenty-one billion, two hundred one million, two thousand, two hundred ten".