4222112045421 has 4 divisors (see below), whose sum is σ = 5629482727232. Its totient is φ = 2814741363612.

The previous prime is 4222112045407. The next prime is 4222112045423. The reversal of 4222112045421 is 1245402112224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4222112045421 - 2¹³ = 4222112037229 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 (4222112045423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 703685340901 + ... + 703685340906.

It is an arithmetic number, because the mean of its divisors is an integer number (1407370681808).

Almost surely, 2^{4222112045421} is an apocalyptic number.

It is an amenable number.

4222112045421 is a deficient number, since it is larger than the sum of its proper divisors (1407370681811).

4222112045421 is a wasteful number, since it uses less digits than its factorization.

4222112045421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407370681810.

The product of its (nonzero) digits is 10240, while the sum is 30.

Adding to 4222112045421 its reverse (1245402112224), we get a palindrome (5467514157645).

The spelling of 4222112045421 in words is "four trillion, two hundred twenty-two billion, one hundred twelve million, forty-five thousand, four hundred twenty-one".