214012231021 has 4 divisors (see below), whose sum is σ = 214019902044. Its totient is φ = 214004560000.

The previous prime is 214012230997. The next prime is 214012231079. The reversal of 214012231021 is 120132210412.

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 74098828521 + 139913402500 = 272211^2 + 374050^2 .

It is a cyclic number.

It is not a de Polignac number, because 214012231021 - 2¹¹ = 214012228973 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 214012231021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214012231721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3793510 + ... + 3849511.

It is an arithmetic number, because the mean of its divisors is an integer number (53504975511).

Almost surely, 2^214012231021 is an apocalyptic number.

It is an amenable number.

214012231021 is a deficient number, since it is larger than the sum of its proper divisors (7671023).

214012231021 is an equidigital number, since it uses as much as digits as its factorization.

214012231021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7671022.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 214012231021 its reverse (120132210412), we get a palindrome (334144441433).

The spelling of 214012231021 in words is "two hundred fourteen billion, twelve million, two hundred thirty-one thousand, twenty-one".