202212102021 has 8 divisors (see below), whose sum is σ = 270216619200. Its totient is φ = 134507826432.

The previous prime is 202212101963. The next prime is 202212102031. The reversal of 202212102021 is 120201212202.

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

It is not a de Polignac number, because 202212102021 - 2¹³ = 202212093829 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202212102031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75058825 + ... + 75061518.

It is an arithmetic number, because the mean of its divisors is an integer number (33777077400).

Almost surely, 2^202212102021 is an apocalyptic number.

It is an amenable number.

202212102021 is a deficient number, since it is larger than the sum of its proper divisors (68004517179).

202212102021 is a wasteful number, since it uses less digits than its factorization.

202212102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150120795.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 202212102021 its reverse (120201212202), we get a palindrome (322413314223).

The spelling of 202212102021 in words is "two hundred two billion, two hundred twelve million, one hundred two thousand, twenty-one".