222220010202102 has 128 divisors (see below), whose sum is σ = 570523238208000. Its totient is φ = 63365041152000.

The previous prime is 222220010202083. The next prime is 222220010202107. The reversal of 222220010202102 is 201202010022222.

222220010202102 is a `hidden beast` number, since 2 + 222 + 200 + 10 + 20 + 210 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222220010202107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 46188649 + ... + 50772347.

It is an arithmetic number, because the mean of its divisors is an integer number (4457212798500).

Almost surely, 2^{222220010202102} is an apocalyptic number.

222220010202102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 222220010202102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285261619104000).

222220010202102 is an abundant number, since it is smaller than the sum of its proper divisors (348303228005898).

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

222220010202102 is a wasteful number, since it uses less digits than its factorization.

222220010202102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4588539 (or 4588533 counting only the distinct ones).

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

Adding to 222220010202102 its reverse (201202010022222), we get a palindrome (423422020224324).

The spelling of 222220010202102 in words is "two hundred twenty-two trillion, two hundred twenty billion, ten million, two hundred two thousand, one hundred two".