121014121 has 2 divisors, whose sum is σ = 121014122. Its totient is φ = 121014120.

The previous prime is 121014119. The next prime is 121014137. The reversal of 121014121 is 121410121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102738496 + 18275625 = 10136^2 + 4275^2 .

It is a cyclic number.

It is not a de Polignac number, because 121014121 - 2¹ = 121014119 is a prime.

Together with 121014119, it forms a pair of twin primes.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (121014221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60507060 + 60507061.

It is an arithmetic number, because the mean of its divisors is an integer number (60507061).

Almost surely, 2^121014121 is an apocalyptic number.

It is an amenable number.

121014121 is a deficient number, since it is larger than the sum of its proper divisors (1).

121014121 is an equidigital number, since it uses as much as digits as its factorization.

121014121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 121014121 is about 11000.6418449107. The cubic root of 121014121 is about 494.6279842654.

Adding to 121014121 its reverse (121410121), we get a palindrome (242424242).

The spelling of 121014121 in words is "one hundred twenty-one million, fourteen thousand, one hundred twenty-one".