2212214433421 has 4 divisors (see below), whose sum is σ = 2214889421472. Its totient is φ = 2209539445372.

The previous prime is 2212214433287. The next prime is 2212214433431. The reversal of 2212214433421 is 1243344122122.

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 a cyclic number.

It is not a de Polignac number, because 2212214433421 - 2²³ = 2212206044813 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 (2212214433431) 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, 1337492785 + ... + 1337494438.

It is an arithmetic number, because the mean of its divisors is an integer number (553722355368).

Almost surely, 2^{2212214433421} is an apocalyptic number.

It is an amenable number.

2212214433421 is a deficient number, since it is larger than the sum of its proper divisors (2674988051).

2212214433421 is an equidigital number, since it uses as much as digits as its factorization.

2212214433421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2674988050.

The product of its digits is 18432, while the sum is 31.

Adding to 2212214433421 its reverse (1243344122122), we get a palindrome (3455558555543).

The spelling of 2212214433421 in words is "two trillion, two hundred twelve billion, two hundred fourteen million, four hundred thirty-three thousand, four hundred twenty-one".