3301010021 has 2 divisors, whose sum is σ = 3301010022. Its totient is φ = 3301010020.

The previous prime is 3301009997. The next prime is 3301010051. The reversal of 3301010021 is 1200101033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3116430625 + 184579396 = 55825^2 + 13586^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3301010021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3301009984 and 3301010011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3301010051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1650505010 + 1650505011.

It is an arithmetic number, because the mean of its divisors is an integer number (1650505011).

Almost surely, 2^3301010021 is an apocalyptic number.

It is an amenable number.

3301010021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3301010021 is an equidigital number, since it uses as much as digits as its factorization.

3301010021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 3301010021 is about 57454.4168972238. The cubic root of 3301010021 is about 1488.9574288615.

Adding to 3301010021 its reverse (1200101033), we get a palindrome (4501111054).

The spelling of 3301010021 in words is "three billion, three hundred one million, ten thousand, twenty-one".