102220222100 has 36 divisors (see below), whose sum is σ = 222446338044. Its totient is φ = 40772244480.

The previous prime is 102220222079. The next prime is 102220222141. The reversal of 102220222100 is 1222022201.

It can be written as a sum of positive squares in 6 ways, for example, as 3676967044 + 98543255056 = 60638^2 + 313916^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1412579 + ... + 1483178.

Almost surely, 2^102220222100 is an apocalyptic number.

102220222100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102220222100 is an abundant number, since it is smaller than the sum of its proper divisors (120226115944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102220222100 is a wasteful number, since it uses less digits than its factorization.

102220222100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2896124 (or 2896117 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 102220222100 its reverse (1222022201), we get a palindrome (103442244301).

The spelling of 102220222100 in words is "one hundred two billion, two hundred twenty million, two hundred twenty-two thousand, one hundred".