102201210100210 has 16 divisors (see below), whose sum is σ = 198113114963736. Its totient is φ = 37735831421568.

The previous prime is 102201210100181. The next prime is 102201210100237. The reversal of 102201210100210 is 12001012102201.

It can be written as a sum of positive squares in 4 ways, for example, as 27490443655689 + 74710766444521 = 5243133^2 + 8643539^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393081577179 + ... + 393081577438.

Almost surely, 2^{102201210100210} is an apocalyptic number.

102201210100210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102201210100210 is a deficient number, since it is larger than the sum of its proper divisors (95911904863526).

102201210100210 is a wasteful number, since it uses less digits than its factorization.

102201210100210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786163154637.

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

Adding to 102201210100210 its reverse (12001012102201), we get a palindrome (114202222202411).

The spelling of 102201210100210 in words is "one hundred two trillion, two hundred one billion, two hundred ten million, one hundred thousand, two hundred ten".