102221122210 has 32 divisors (see below), whose sum is σ = 185446324800. Its totient is φ = 40566751680.

The previous prime is 102221122189. The next prime is 102221122231. The reversal of 102221122210 is 12221122201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (102221122189) and next prime (102221122231).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8664996 + ... + 8676784.

It is an arithmetic number, because the mean of its divisors is an integer number (5795197650).

Almost surely, 2^102221122210 is an apocalyptic number.

102221122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102221122210 is a deficient number, since it is larger than the sum of its proper divisors (83225202590).

102221122210 is a wasteful number, since it uses less digits than its factorization.

102221122210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18546.

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

Adding to 102221122210 its reverse (12221122201), we get a palindrome (114442244411).

Subtracting from 102221122210 its reverse (12221122201), we obtain a palindrome (90000000009).

The spelling of 102221122210 in words is "one hundred two billion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred ten".