22331212302021 has 32 divisors (see below), whose sum is σ = 34966137273600. Its totient is φ = 12409437966336.

The previous prime is 22331212301917. The next prime is 22331212302037. The reversal of 22331212302021 is 12020321213322.

It is not a de Polignac number, because 22331212302021 - 2⁹ = 22331212301509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22331212301982 and 22331212302000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22331212303021) 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 31 ways as a sum of consecutive naturals, for example, 5858716 + ... + 8887461.

It is an arithmetic number, because the mean of its divisors is an integer number (1092691789800).

Almost surely, 2^{22331212302021} is an apocalyptic number.

22331212302021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22331212302021 is a deficient number, since it is larger than the sum of its proper divisors (12634924971579).

22331212302021 is a wasteful number, since it uses less digits than its factorization.

22331212302021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14748173.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 22331212302021 its reverse (12020321213322), we get a palindrome (34351533515343).

The spelling of 22331212302021 in words is "twenty-two trillion, three hundred thirty-one billion, two hundred twelve million, three hundred two thousand, twenty-one".