214320601021 has 2 divisors, whose sum is σ = 214320601022. Its totient is φ = 214320601020.

The previous prime is 214320600983. The next prime is 214320601051. The reversal of 214320601021 is 120106023412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139580696025 + 74739904996 = 373605^2 + 273386^2 .

It is a cyclic number.

It is not a de Polignac number, because 214320601021 - 2²¹ = 214318503869 is a prime.

It is a super-3 number, since 3×214320601021³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 214320600983 and 214320601001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214320601051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107160300510 + 107160300511.

It is an arithmetic number, because the mean of its divisors is an integer number (107160300511).

Almost surely, 2^214320601021 is an apocalyptic number.

It is an amenable number.

214320601021 is a deficient number, since it is larger than the sum of its proper divisors (1).

214320601021 is an equidigital number, since it uses as much as digits as its factorization.

214320601021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 214320601021 its reverse (120106023412), we get a palindrome (334426624433).

The spelling of 214320601021 in words is "two hundred fourteen billion, three hundred twenty million, six hundred one thousand, twenty-one".