2021222102202 has 24 divisors (see below), whose sum is σ = 4379398493184. Its totient is φ = 673727787144.

The previous prime is 2021222102197. The next prime is 2021222102233. The reversal of 2021222102202 is 2022012221202.

2021222102202 is a `hidden beast` number, since 20 + 212 + 2 + 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 pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86328 + ... + 2012435.

It is an arithmetic number, because the mean of its divisors is an integer number (182474937216).

Almost surely, 2^{2021222102202} is an apocalyptic number.

2021222102202 is an abundant number, since it is smaller than the sum of its proper divisors (2358176390982).

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

2021222102202 is a wasteful number, since it uses less digits than its factorization.

2021222102202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152274 (or 2152271 counting only the distinct ones).

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

Adding to 2021222102202 its reverse (2022012221202), we get a palindrome (4043234323404).

It can be divided in two parts, 202122 and 2102202, that added together give a square (2304324 = 1518²).

The spelling of 2021222102202 in words is "two trillion, twenty-one billion, two hundred twenty-two million, one hundred two thousand, two hundred two".