2214800221421 has 4 divisors (see below), whose sum is σ = 2214935064672. Its totient is φ = 2214665378172.

The previous prime is 2214800221397. The next prime is 2214800221427. The reversal of 2214800221421 is 1241220084122.

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 a de Polignac number, because none of the positive numbers 2^k-2214800221421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2214800221427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67396985 + ... + 67429838.

It is an arithmetic number, because the mean of its divisors is an integer number (553733766168).

Almost surely, 2^{2214800221421} is an apocalyptic number.

It is an amenable number.

2214800221421 is a deficient number, since it is larger than the sum of its proper divisors (134843251).

2214800221421 is a wasteful number, since it uses less digits than its factorization.

2214800221421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134843250.

The product of its (nonzero) digits is 4096, while the sum is 29.

The spelling of 2214800221421 in words is "two trillion, two hundred fourteen billion, eight hundred million, two hundred twenty-one thousand, four hundred twenty-one".