102220212204 has 72 divisors (see below), whose sum is σ = 287877477888. Its totient is φ = 30316756320.

The previous prime is 102220212161. The next prime is 102220212221. The reversal of 102220212204 is 402212022201.

102220212204 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2727472 + ... + 2764695.

It is an arithmetic number, because the mean of its divisors is an integer number (3998298304).

Almost surely, 2^102220212204 is an apocalyptic number.

It is an amenable number.

102220212204 is an abundant number, since it is smaller than the sum of its proper divisors (185657265684).

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

102220212204 is a wasteful number, since it uses less digits than its factorization.

102220212204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5492235 (or 5492230 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 102220212204 its reverse (402212022201), we get a palindrome (504432234405).

The spelling of 102220212204 in words is "one hundred two billion, two hundred twenty million, two hundred twelve thousand, two hundred four".