21122414211430 has 64 divisors (see below), whose sum is σ = 43988065390080. Its totient is φ = 7152647445504.

The previous prime is 21122414211427. The next prime is 21122414211443. The reversal of 21122414211430 is 3411241422112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19618966 + ... + 20667574.

It is an arithmetic number, because the mean of its divisors is an integer number (687313521720).

Almost surely, 2^{21122414211430} is an apocalyptic number.

21122414211430 is an abundant number, since it is smaller than the sum of its proper divisors (22865651178650).

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

21122414211430 is a wasteful number, since it uses less digits than its factorization.

21122414211430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052173.

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 21122414211430 its reverse (3411241422112), we get a palindrome (24533655633542).

The spelling of 21122414211430 in words is "twenty-one trillion, one hundred twenty-two billion, four hundred fourteen million, two hundred eleven thousand, four hundred thirty".