214012243121 has 2 divisors, whose sum is σ = 214012243122. Its totient is φ = 214012243120.

The previous prime is 214012243079. The next prime is 214012243129. The reversal of 214012243121 is 121342210412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200686080400 + 13326162721 = 447980^2 + 115439^2 .

It is a cyclic number.

It is not a de Polignac number, because 214012243121 - 2¹⁰ = 214012242097 is a prime.

It is not a weakly prime, because it can be changed into another prime (214012243129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107006121560 + 107006121561.

It is an arithmetic number, because the mean of its divisors is an integer number (107006121561).

Almost surely, 2^214012243121 is an apocalyptic number.

It is an amenable number.

214012243121 is a deficient number, since it is larger than the sum of its proper divisors (1).

214012243121 is an equidigital number, since it uses as much as digits as its factorization.

214012243121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 214012243121 its reverse (121342210412), we get a palindrome (335354453533).

The spelling of 214012243121 in words is "two hundred fourteen billion, twelve million, two hundred forty-three thousand, one hundred twenty-one".