3102050021 has 16 divisors (see below), whose sum is σ = 3619123200. Its totient is φ = 2603804208.

The previous prime is 3102049969. The next prime is 3102050041. The reversal of 3102050021 is 1200502013.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3102050021 - 2⁶ = 3102049957 is a prime.

It is a super-2 number, since 2×3102050021² = 19245428665572200882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3102049978 and 3102050005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3102050041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94340 + ... + 122898.

It is an arithmetic number, because the mean of its divisors is an integer number (226195200).

Almost surely, 2^3102050021 is an apocalyptic number.

It is an amenable number.

3102050021 is a deficient number, since it is larger than the sum of its proper divisors (517073179).

3102050021 is a wasteful number, since it uses less digits than its factorization.

3102050021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28888.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 3102050021 is about 55696.0503177739. The cubic root of 3102050021 is about 1458.4210773771.

Adding to 3102050021 its reverse (1200502013), we get a palindrome (4302552034).

The spelling of 3102050021 in words is "three billion, one hundred two million, fifty thousand, twenty-one".