214024201400021 has 2 divisors, whose sum is σ = 214024201400022. Its totient is φ = 214024201400020.

The previous prime is 214024201399999. The next prime is 214024201400059. The reversal of 214024201400021 is 120004102420412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 185856916714225 + 28167284685796 = 13632935^2 + 5307286^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214024201400021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 214024201400021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214024201400221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107012100700010 + 107012100700011.

It is an arithmetic number, because the mean of its divisors is an integer number (107012100700011).

Almost surely, 2^{214024201400021} is an apocalyptic number.

It is an amenable number.

214024201400021 is a deficient number, since it is larger than the sum of its proper divisors (1).

214024201400021 is an equidigital number, since it uses as much as digits as its factorization.

214024201400021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 214024201400021 its reverse (120004102420412), we get a palindrome (334028303820433).

The spelling of 214024201400021 in words is "two hundred fourteen trillion, twenty-four billion, two hundred one million, four hundred thousand, twenty-one".