102210210205 has 8 divisors (see below), whose sum is σ = 126608776704. Its totient is φ = 79130485200.

The previous prime is 102210210149. The next prime is 102210210211. The reversal of 102210210205 is 502012012201.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-102210210205 is a prime.

It is a super-2 number, since 2×102210210205² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 329710201 + ... + 329710510.

It is an arithmetic number, because the mean of its divisors is an integer number (15826097088).

Almost surely, 2^102210210205 is an apocalyptic number.

It is an amenable number.

102210210205 is a deficient number, since it is larger than the sum of its proper divisors (24398566499).

102210210205 is an equidigital number, since it uses as much as digits as its factorization.

102210210205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659420747.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 102210210205 its reverse (502012012201), we get a palindrome (604222222406).

The spelling of 102210210205 in words is "one hundred two billion, two hundred ten million, two hundred ten thousand, two hundred five".