121020010201213 has 2 divisors, whose sum is σ = 121020010201214. Its totient is φ = 121020010201212.

The previous prime is 121020010201183. The next prime is 121020010201231. The reversal of 121020010201213 is 312102010020121.

Together with next prime (121020010201231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115017323999769 + 6002686201444 = 10724613^2 + 2450038^2 .

It is an emirp because it is prime and its reverse (312102010020121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121020010201213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121020010201913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60510005100606 + 60510005100607.

It is an arithmetic number, because the mean of its divisors is an integer number (60510005100607).

Almost surely, 2^{121020010201213} is an apocalyptic number.

It is an amenable number.

121020010201213 is a deficient number, since it is larger than the sum of its proper divisors (1).

121020010201213 is an equidigital number, since it uses as much as digits as its factorization.

121020010201213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 121020010201213 its reverse (312102010020121), we get a palindrome (433122020221334).

The spelling of 121020010201213 in words is "one hundred twenty-one trillion, twenty billion, ten million, two hundred one thousand, two hundred thirteen".