102220012220 has 48 divisors (see below), whose sum is σ = 221290967520. Its totient is φ = 39644338176.

The previous prime is 102220012201. The next prime is 102220012231. The reversal of 102220012220 is 22210022201.

It is a junction number, because it is equal to n+sod(n) for n = 102220012195 and 102220012204.

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, 507197 + ... + 679476.

It is an arithmetic number, because the mean of its divisors is an integer number (4610228490).

Almost surely, 2^102220012220 is an apocalyptic number.

102220012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102220012220 is an abundant number, since it is smaller than the sum of its proper divisors (119070955300).

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

102220012220 is a wasteful number, since it uses less digits than its factorization.

102220012220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186814 (or 1186812 counting only the distinct ones).

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

Adding to 102220012220 its reverse (22210022201), we get a palindrome (124430034421).

The spelling of 102220012220 in words is "one hundred two billion, two hundred twenty million, twelve thousand, two hundred twenty".