214210213231421 has 16 divisors (see below), whose sum is σ = 242687308604928. Its totient is φ = 187368877911600.

The previous prime is 214210213231409. The next prime is 214210213231453. The reversal of 214210213231421 is 124132312012412.

It is a de Polignac number, because none of the positive numbers 2^k-214210213231421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214210213231471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3379637825 + ... + 3379701206.

It is an arithmetic number, because the mean of its divisors is an integer number (15167956787808).

Almost surely, 2^{214210213231421} is an apocalyptic number.

It is an amenable number.

214210213231421 is a deficient number, since it is larger than the sum of its proper divisors (28477095373507).

214210213231421 is a wasteful number, since it uses less digits than its factorization.

214210213231421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6759339152.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 214210213231421 its reverse (124132312012412), we get a palindrome (338342525243833).

The spelling of 214210213231421 in words is "two hundred fourteen trillion, two hundred ten billion, two hundred thirteen million, two hundred thirty-one thousand, four hundred twenty-one".