20212044103421 has 8 divisors (see below), whose sum is σ = 21583495372800. Its totient is φ = 18885558449520.

The previous prime is 20212044103403. The next prime is 20212044103541. The reversal of 20212044103421 is 12430144021202.

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

It is a cyclic number.

It is not a de Polignac number, because 20212044103421 - 2⁶ = 20212044103357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212044103021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11241402941 + ... + 11241404738.

It is an arithmetic number, because the mean of its divisors is an integer number (2697936921600).

Almost surely, 2^{20212044103421} is an apocalyptic number.

It is an amenable number.

20212044103421 is a deficient number, since it is larger than the sum of its proper divisors (1371451269379).

20212044103421 is a wasteful number, since it uses less digits than its factorization.

20212044103421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22482807739.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 20212044103421 its reverse (12430144021202), we get a palindrome (32642188124623).

The spelling of 20212044103421 in words is "twenty trillion, two hundred twelve billion, forty-four million, one hundred three thousand, four hundred twenty-one".