102120222220 has 12 divisors (see below), whose sum is σ = 214452466704. Its totient is φ = 40848088880.

The previous prime is 102120222121. The next prime is 102120222221. The reversal of 102120222220 is 22222021201.

102120222220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 102120222194 and 102120222203.

It is not an unprimeable number, because it can be changed into a prime (102120222221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2553005536 + ... + 2553005575.

It is an arithmetic number, because the mean of its divisors is an integer number (17871038892).

Almost surely, 2^102120222220 is an apocalyptic number.

102120222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102120222220 is an abundant number, since it is smaller than the sum of its proper divisors (112332244484).

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

102120222220 is a wasteful number, since it uses less digits than its factorization.

102120222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5106011120 (or 5106011118 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 102120222220 its reverse (22222021201), we get a palindrome (124342243421).

The spelling of 102120222220 in words is "one hundred two billion, one hundred twenty million, two hundred twenty-two thousand, two hundred twenty".