21321033123022 has 4 divisors (see below), whose sum is σ = 31981549684536. Its totient is φ = 10660516561510.

The previous prime is 21321033122819. The next prime is 21321033123037. The reversal of 21321033123022 is 22032133012312.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5330258280754 + ... + 5330258280757.

It is an arithmetic number, because the mean of its divisors is an integer number (7995387421134).

Almost surely, 2^{21321033123022} is an apocalyptic number.

21321033123022 is a deficient number, since it is larger than the sum of its proper divisors (10660516561514).

21321033123022 is a wasteful number, since it uses less digits than its factorization.

21321033123022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10660516561513.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 21321033123022 its reverse (22032133012312), we get a palindrome (43353166135334).

The spelling of 21321033123022 in words is "twenty-one trillion, three hundred twenty-one billion, thirty-three million, one hundred twenty-three thousand, twenty-two".