214020403414421 has 4 divisors (see below), whose sum is σ = 214278570367500. Its totient is φ = 213762236461344.

The previous prime is 214020403414397. The next prime is 214020403414487. The reversal of 214020403414421 is 124414304020412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 179916321797521 + 34104081616900 = 13413289^2 + 5839870^2 .

It is a cyclic number.

It is not a de Polignac number, because 214020403414421 - 2⁴² = 209622356903317 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 (214020403414121) 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, 129083475296 + ... + 129083476953.

It is an arithmetic number, because the mean of its divisors is an integer number (53569642591875).

Almost surely, 2^{214020403414421} is an apocalyptic number.

It is an amenable number.

214020403414421 is a deficient number, since it is larger than the sum of its proper divisors (258166953079).

214020403414421 is an equidigital number, since it uses as much as digits as its factorization.

214020403414421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258166953078.

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 214020403414421 its reverse (124414304020412), we get a palindrome (338434707434833).

The spelling of 214020403414421 in words is "two hundred fourteen trillion, twenty billion, four hundred three million, four hundred fourteen thousand, four hundred twenty-one".