202212121331 has 8 divisors (see below), whose sum is σ = 220598971824. Its totient is φ = 183825925920.

The previous prime is 202212121327. The next prime is 202212121381. The reversal of 202212121331 is 133121212202.

202212121331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 202212121331 - 2² = 202212121327 is a prime.

It is a super-2 number, since 2×202212121331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (202212121381) 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 7 ways as a sum of consecutive naturals, for example, 663281 + ... + 918893.

It is an arithmetic number, because the mean of its divisors is an integer number (27574871478).

Almost surely, 2^202212121331 is an apocalyptic number.

202212121331 is a deficient number, since it is larger than the sum of its proper divisors (18386850493).

202212121331 is a wasteful number, since it uses less digits than its factorization.

202212121331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327541.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 202212121331 its reverse (133121212202), we get a palindrome (335333333533).

The spelling of 202212121331 in words is "two hundred two billion, two hundred twelve million, one hundred twenty-one thousand, three hundred thirty-one".