102002212220 has 48 divisors (see below), whose sum is σ = 217089512640. Its totient is φ = 40254337536.

The previous prime is 102002212211. The next prime is 102002212243. The reversal of 102002212220 is 22212200201.

It is a junction number, because it is equal to n+sod(n) for n = 102002212195 and 102002212204.

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, 462104 + ... + 646176.

It is an arithmetic number, because the mean of its divisors is an integer number (4522698180).

Almost surely, 2^102002212220 is an apocalyptic number.

102002212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102002212220 is an abundant number, since it is smaller than the sum of its proper divisors (115087300420).

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

102002212220 is a wasteful number, since it uses less digits than its factorization.

102002212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184454 (or 184452 counting only the distinct ones).

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

Adding to 102002212220 its reverse (22212200201), we get a palindrome (124214412421).

The spelling of 102002212220 in words is "one hundred two billion, two million, two hundred twelve thousand, two hundred twenty".