2021223102 has 8 divisors (see below), whose sum is σ = 4042446216. Its totient is φ = 673741032.

The previous prime is 2021223089. The next prime is 2021223107. The reversal of 2021223102 is 2013221202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

2021223102 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021223107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168435253 + ... + 168435264.

It is an arithmetic number, because the mean of its divisors is an integer number (505305777).

Almost surely, 2^2021223102 is an apocalyptic number.

2021223102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2021223102 is a wasteful number, since it uses less digits than its factorization.

2021223102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336870522.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2021223102 is about 44958.0148805527. The cubic root of 2021223102 is about 1264.3619506192.

Adding to 2021223102 its reverse (2013221202), we get a palindrome (4034444304).

The spelling of 2021223102 in words is "two billion, twenty-one million, two hundred twenty-three thousand, one hundred two".