102220101010 has 16 divisors (see below), whose sum is σ = 184349350872. Its totient is φ = 40809558400.

The previous prime is 102220100999. The next prime is 102220101017. The reversal of 102220101010 is 10101022201.

It can be written as a sum of positive squares in 4 ways, for example, as 44898643449 + 57321457561 = 211893^2 + 239419^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (102220101017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9804781 + ... + 9815200.

Almost surely, 2^102220101010 is an apocalyptic number.

102220101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102220101010 is a deficient number, since it is larger than the sum of its proper divisors (82129249862).

102220101010 is a wasteful number, since it uses less digits than its factorization.

102220101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19620509.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 102220101010 its reverse (10101022201), we get a palindrome (112321123211).

The spelling of 102220101010 in words is "one hundred two billion, two hundred twenty million, one hundred one thousand, ten".