102210100220 has 48 divisors (see below), whose sum is σ = 218355419520. Its totient is φ = 40177056576.

The previous prime is 102210100219. The next prime is 102210100243. The reversal of 102210100220 is 22001012201.

It is a happy number.

It is a super-3 number, since 3×102210100220³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3766019 + ... + 3793061.

It is an arithmetic number, because the mean of its divisors is an integer number (4549071240).

Almost surely, 2^102210100220 is an apocalyptic number.

102210100220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102210100220 is an abundant number, since it is smaller than the sum of its proper divisors (116145319300).

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

102210100220 is a wasteful number, since it uses less digits than its factorization.

102210100220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30314 (or 30312 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 102210100220 its reverse (22001012201), we get a palindrome (124211112421).

The spelling of 102210100220 in words is "one hundred two billion, two hundred ten million, one hundred thousand, two hundred twenty".