2021133130 has 64 divisors (see below), whose sum is σ = 3815755776. Its totient is φ = 770112000.

The previous prime is 2021133097. The next prime is 2021133131. The reversal of 2021133130 is 313311202.

It is not an unprimeable number, because it can be changed into a prime (2021133131) 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, 5276919 + ... + 5277301.

It is an arithmetic number, because the mean of its divisors is an integer number (59621184).

Almost surely, 2^2021133130 is an apocalyptic number.

2021133130 is a deficient number, since it is larger than the sum of its proper divisors (1794622646).

2021133130 is a wasteful number, since it uses less digits than its factorization.

2021133130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2021133130 is about 44957.0142469448. The cubic root of 2021133130 is about 1264.3431898894.

Adding to 2021133130 its reverse (313311202), we get a palindrome (2334444332).

The spelling of 2021133130 in words is "two billion, twenty-one million, one hundred thirty-three thousand, one hundred thirty".