2010103021 has 2 divisors, whose sum is σ = 2010103022. Its totient is φ = 2010103020.

The previous prime is 2010102973. The next prime is 2010103031. The reversal of 2010103021 is 1203010102.

It is an a-pointer prime, because the next prime (2010103031) can be obtained adding 2010103021 to its sum of digits (10).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1813822921 + 196280100 = 42589^2 + 14010^2 .

It is a cyclic number.

It is not a de Polignac number, because 2010103021 - 2¹⁵ = 2010070253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2010102989 and 2010103007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2010103031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005051510 + 1005051511.

It is an arithmetic number, because the mean of its divisors is an integer number (1005051511).

Almost surely, 2^2010103021 is an apocalyptic number.

It is an amenable number.

2010103021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2010103021 is an equidigital number, since it uses as much as digits as its factorization.

2010103021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 2010103021 is about 44834.1724692226. The cubic root of 2010103021 is about 1262.0389890950.

Adding to 2010103021 its reverse (1203010102), we get a palindrome (3213113123).

The spelling of 2010103021 in words is "two billion, ten million, one hundred three thousand, twenty-one".