221102012102202 has 96 divisors (see below), whose sum is σ = 598144800150144. Its totient is φ = 57344265014400.

The previous prime is 221102012102197. The next prime is 221102012102221. The reversal of 221102012102202 is 202201210201122.

It is a happy number.

221102012102202 is a `hidden beast` number, since 2 + 21 + 10 + 201 + 210 + 220 + 2 = 666.

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 47 ways as a sum of consecutive naturals, for example, 116879449 + ... + 118756092.

It is an arithmetic number, because the mean of its divisors is an integer number (6230675001564).

Almost surely, 2^{221102012102202} is an apocalyptic number.

221102012102202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221102012102202 is an abundant number, since it is smaller than the sum of its proper divisors (377042788047942).

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

221102012102202 is a wasteful number, since it uses less digits than its factorization.

221102012102202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235636244 (or 235636241 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 221102012102202 its reverse (202201210201122), we get a palindrome (423303222303324).

The spelling of 221102012102202 in words is "two hundred twenty-one trillion, one hundred two billion, twelve million, one hundred two thousand, two hundred two".