3321100021201 has 2 divisors, whose sum is σ = 3321100021202. Its totient is φ = 3321100021200.

The previous prime is 3321100021199. The next prime is 3321100021237. The reversal of 3321100021201 is 1021200011233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1816672665600 + 1504427355601 = 1347840^2 + 1226551^2 .

It is a cyclic number.

It is not a de Polignac number, because 3321100021201 - 2¹ = 3321100021199 is a prime.

It is a super-2 number, since 2×3321100021201² (a number of 26 digits) contains 22 as substring.

Together with 3321100021199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3321100021301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1660550010600 + 1660550010601.

It is an arithmetic number, because the mean of its divisors is an integer number (1660550010601).

Almost surely, 2^{3321100021201} is an apocalyptic number.

It is an amenable number.

3321100021201 is a deficient number, since it is larger than the sum of its proper divisors (1).

3321100021201 is an equidigital number, since it uses as much as digits as its factorization.

3321100021201 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 3321100021201 its reverse (1021200011233), we get a palindrome (4342300032434).

The spelling of 3321100021201 in words is "three trillion, three hundred twenty-one billion, one hundred million, twenty-one thousand, two hundred one".