102220120210210 has 32 divisors (see below), whose sum is σ = 184774953341232. Its totient is φ = 40715178466560.

The previous prime is 102220120210181. The next prime is 102220120210211. The reversal of 102220120210210 is 12012021022201.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 6060464163601 + 96159656046609 = 2461801^2 + 9806103^2 .

It is not an unprimeable number, because it can be changed into a prime (102220120210211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6971101 + ... + 15907120.

Almost surely, 2^{102220120210210} is an apocalyptic number.

102220120210210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102220120210210 is a deficient number, since it is larger than the sum of its proper divisors (82554833131022).

102220120210210 is a wasteful number, since it uses less digits than its factorization.

102220120210210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22880118.

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

Adding to 102220120210210 its reverse (12012021022201), we get a palindrome (114232141232411).

The spelling of 102220120210210 in words is "one hundred two trillion, two hundred twenty billion, one hundred twenty million, two hundred ten thousand, two hundred ten".