21212320301122 has 8 divisors (see below), whose sum is σ = 31969278937872. Its totient is φ = 10555893988500.

The previous prime is 21212320301027. The next prime is 21212320301131. The reversal of 21212320301122 is 22110302321212.

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

It is a junction number, because it is equal to n+sod(n) for n = 21212320301093 and 21212320301102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25133080504 + ... + 25133081347.

It is an arithmetic number, because the mean of its divisors is an integer number (3996159867234).

Almost surely, 2^{21212320301122} is an apocalyptic number.

21212320301122 is a deficient number, since it is larger than the sum of its proper divisors (10756958636750).

21212320301122 is a wasteful number, since it uses less digits than its factorization.

21212320301122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50266162064.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 21212320301122 its reverse (22110302321212), we get a palindrome (43322622622334).

The spelling of 21212320301122 in words is "twenty-one trillion, two hundred twelve billion, three hundred twenty million, three hundred one thousand, one hundred twenty-two".