321002101213 has 2 divisors, whose sum is σ = 321002101214. Its totient is φ = 321002101212.

The previous prime is 321002101183. The next prime is 321002101219. The reversal of 321002101213 is 312101200123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 306825150724 + 14176950489 = 553918^2 + 119067^2 .

It is a cyclic number.

It is not a de Polignac number, because 321002101213 - 2³⁷ = 183563147741 is a prime.

It is a super-2 number, since 2×321002101213² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321002101219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160501050606 + 160501050607.

It is an arithmetic number, because the mean of its divisors is an integer number (160501050607).

Almost surely, 2^321002101213 is an apocalyptic number.

It is an amenable number.

321002101213 is a deficient number, since it is larger than the sum of its proper divisors (1).

321002101213 is an equidigital number, since it uses as much as digits as its factorization.

321002101213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 321002101213 its reverse (312101200123), we get a palindrome (633103301336).

The spelling of 321002101213 in words is "three hundred twenty-one billion, two million, one hundred one thousand, two hundred thirteen".