102102210220210 has 16 divisors (see below), whose sum is σ = 183788195280192. Its totient is φ = 40839947002800.

The previous prime is 102102210220207. The next prime is 102102210220243. The reversal of 102102210220210 is 12022012201201.

It is a happy number.

It is a super-2 number, since 2×102102210220210² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116677956 + ... + 117549775.

It is an arithmetic number, because the mean of its divisors is an integer number (11486762205012).

Almost surely, 2^{102102210220210} is an apocalyptic number.

102102210220210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102102210220210 is a deficient number, since it is larger than the sum of its proper divisors (81685985059982).

102102210220210 is a wasteful number, since it uses less digits than its factorization.

102102210220210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234271329.

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

Adding to 102102210220210 its reverse (12022012201201), we get a palindrome (114124222421411).

The spelling of 102102210220210 in words is "one hundred two trillion, one hundred two billion, two hundred ten million, two hundred twenty thousand, two hundred ten".