2030102521 has 4 divisors (see below), whose sum is σ = 2118367872. Its totient is φ = 1941837172.

The previous prime is 2030102471. The next prime is 2030102527. The reversal of 2030102521 is 1252010302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1252010302 = 2 ⋅626005151.

It is a cyclic number.

It is not a de Polignac number, because 2030102521 - 2¹⁵ = 2030069753 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2030102495 and 2030102504.

It is not an unprimeable number, because it can be changed into a prime (2030102527) 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 3 ways as a sum of consecutive naturals, for example, 44132641 + ... + 44132686.

It is an arithmetic number, because the mean of its divisors is an integer number (529591968).

Almost surely, 2^2030102521 is an apocalyptic number.

It is an amenable number.

2030102521 is a deficient number, since it is larger than the sum of its proper divisors (88265351).

2030102521 is an equidigital number, since it uses as much as digits as its factorization.

2030102521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88265350.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 2030102521 is about 45056.6590084085. The cubic root of 2030102521 is about 1266.2107320825.

Adding to 2030102521 its reverse (1252010302), we get a palindrome (3282112823).

The spelling of 2030102521 in words is "two billion, thirty million, one hundred two thousand, five hundred twenty-one".