214322200021 has 2 divisors, whose sum is σ = 214322200022. Its totient is φ = 214322200020.

The previous prime is 214322200019. The next prime is 214322200109. The reversal of 214322200021 is 120002223412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113407971121 + 100914228900 = 336761^2 + 317670^2 .

It is a cyclic number.

It is not a de Polignac number, because 214322200021 - 2¹ = 214322200019 is a prime.

Together with 214322200019, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214322200921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107161100010 + 107161100011.

It is an arithmetic number, because the mean of its divisors is an integer number (107161100011).

Almost surely, 2^214322200021 is an apocalyptic number.

It is an amenable number.

214322200021 is a deficient number, since it is larger than the sum of its proper divisors (1).

214322200021 is an equidigital number, since it uses as much as digits as its factorization.

214322200021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 214322200021 its reverse (120002223412), we get a palindrome (334324423433).

The spelling of 214322200021 in words is "two hundred fourteen billion, three hundred twenty-two million, two hundred thousand, twenty-one".