121014221 has 2 divisors, whose sum is σ = 121014222. Its totient is φ = 121014220.

The previous prime is 121014209. The next prime is 121014227. The reversal of 121014221 is 122410121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81198121 + 39816100 = 9011^2 + 6310^2 .

It is a cyclic number.

It is not a de Polignac number, because 121014221 - 2¹⁰ = 121013197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121014196 and 121014205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121014227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60507110 + 60507111.

It is an arithmetic number, because the mean of its divisors is an integer number (60507111).

Almost surely, 2^121014221 is an apocalyptic number.

It is an amenable number.

121014221 is a deficient number, since it is larger than the sum of its proper divisors (1).

121014221 is an equidigital number, since it uses as much as digits as its factorization.

121014221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 121014221 is about 11000.6463900991. The cubic root of 121014221 is about 494.6281205106.

Adding to 121014221 its reverse (122410121), we get a palindrome (243424342).

The spelling of 121014221 in words is "one hundred twenty-one million, fourteen thousand, two hundred twenty-one".