2130303021 has 32 divisors (see below), whose sum is σ = 3581107200. Its totient is φ = 1094206080.

The previous prime is 2130302899. The next prime is 2130303089. The reversal of 2130303021 is 1203030312.

It is not a de Polignac number, because 2130303021 - 2¹⁰ = 2130301997 is a prime.

It is a super-2 number, since 2×2130303021² = 9076381922563452882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130303221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31251 + ... + 72368.

It is an arithmetic number, because the mean of its divisors is an integer number (111909600).

Almost surely, 2^2130303021 is an apocalyptic number.

2130303021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2130303021 is a deficient number, since it is larger than the sum of its proper divisors (1450804179).

2130303021 is a wasteful number, since it uses less digits than its factorization.

2130303021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103729.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 2130303021 is about 46155.2057843966. The cubic root of 2130303021 is about 1286.7093626452.

Adding to 2130303021 its reverse (1203030312), we get a palindrome (3333333333).

The spelling of 2130303021 in words is "two billion, one hundred thirty million, three hundred three thousand, twenty-one".