21122314320030 has 64 divisors (see below), whose sum is σ = 63202353504768. Its totient is φ = 4389052325760.

The previous prime is 21122314319993. The next prime is 21122314320049. The reversal of 21122314320030 is 3002341322112.

It is a congruent number.

It is an unprimeable number.

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, 4571927197 + ... + 4571931816.

It is an arithmetic number, because the mean of its divisors is an integer number (987536773512).

Almost surely, 2^{21122314320030} is an apocalyptic number.

21122314320030 is an abundant number, since it is smaller than the sum of its proper divisors (42080039184738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21122314320030 is a wasteful number, since it uses less digits than its factorization.

21122314320030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9143859041.

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

Adding to 21122314320030 its reverse (3002341322112), we get a palindrome (24124655642142).

The spelling of 21122314320030 in words is "twenty-one trillion, one hundred twenty-two billion, three hundred fourteen million, three hundred twenty thousand, thirty".