121002000221213 has 2 divisors, whose sum is σ = 121002000221214. Its totient is φ = 121002000221212.

The previous prime is 121002000221203. The next prime is 121002000221261. The reversal of 121002000221213 is 312122000200121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101845779545689 + 19156220675524 = 10091867^2 + 4376782^2 .

It is a cyclic number.

It is not a de Polignac number, because 121002000221213 - 2²⁶ = 121001933112349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121002000221191 and 121002000221200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121002000221203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60501000110606 + 60501000110607.

It is an arithmetic number, because the mean of its divisors is an integer number (60501000110607).

Almost surely, 2^{121002000221213} is an apocalyptic number.

It is an amenable number.

121002000221213 is a deficient number, since it is larger than the sum of its proper divisors (1).

121002000221213 is an equidigital number, since it uses as much as digits as its factorization.

121002000221213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 121002000221213 its reverse (312122000200121), we get a palindrome (433124000421334).

The spelling of 121002000221213 in words is "one hundred twenty-one trillion, two billion, two hundred twenty-one thousand, two hundred thirteen".