121002222013 has 2 divisors, whose sum is σ = 121002222014. Its totient is φ = 121002222012.

The previous prime is 121002221999. The next prime is 121002222041. The reversal of 121002222013 is 310222200121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96922010329 + 24080211684 = 311323^2 + 155178^2 .

It is a cyclic number.

It is not a de Polignac number, because 121002222013 - 2²⁹ = 120465351101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121002222053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60501111006 + 60501111007.

It is an arithmetic number, because the mean of its divisors is an integer number (60501111007).

Almost surely, 2^121002222013 is an apocalyptic number.

It is an amenable number.

121002222013 is a deficient number, since it is larger than the sum of its proper divisors (1).

121002222013 is an equidigital number, since it uses as much as digits as its factorization.

121002222013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 121002222013 its reverse (310222200121), we get a palindrome (431224422134).

The spelling of 121002222013 in words is "one hundred twenty-one billion, two million, two hundred twenty-two thousand, thirteen".