214281121 has 2 divisors, whose sum is σ = 214281122. Its totient is φ = 214281120.

The previous prime is 214281103. The next prime is 214281127. The reversal of 214281121 is 121182412.

214281121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130302225 + 83978896 = 11415^2 + 9164^2 .

It is a cyclic number.

It is not a de Polignac number, because 214281121 - 2⁹ = 214280609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 214281092 and 214281101.

It is not a weakly prime, because it can be changed into another prime (214281127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107140560 + 107140561.

It is an arithmetic number, because the mean of its divisors is an integer number (107140561).

Almost surely, 2^214281121 is an apocalyptic number.

It is an amenable number.

214281121 is a deficient number, since it is larger than the sum of its proper divisors (1).

214281121 is an equidigital number, since it uses as much as digits as its factorization.

214281121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 256, while the sum is 22.

The square root of 214281121 is about 14638.3442028120. The cubic root of 214281121 is about 598.4042048629.

The spelling of 214281121 in words is "two hundred fourteen million, two hundred eighty-one thousand, one hundred twenty-one".