102221212212202 has 8 divisors (see below), whose sum is σ = 153337690254276. Its totient is φ = 51108648794112.

The previous prime is 102221212212157. The next prime is 102221212212221. The reversal of 102221212212202 is 202212212122201.

It can be written as a sum of positive squares in 2 ways, for example, as 93503891007081 + 8717321205121 = 9669741^2 + 2952511^2 .

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

It is a super-2 number, since 2×102221212212202² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 978590713 + ... + 978695164.

Almost surely, 2^{102221212212202} is an apocalyptic number.

102221212212202 is a deficient number, since it is larger than the sum of its proper divisors (51116478042074).

102221212212202 is a wasteful number, since it uses less digits than its factorization.

102221212212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1957311992.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 102221212212202 its reverse (202212212122201), we get a palindrome (304433424334403).

Subtracting 102221212212202 from its reverse (202212212122201), we obtain a palindrome (99990999909999).

The spelling of 102221212212202 in words is "one hundred two trillion, two hundred twenty-one billion, two hundred twelve million, two hundred twelve thousand, two hundred two".