2021002133 has 4 divisors (see below), whose sum is σ = 2031583488. Its totient is φ = 2010420780.

The previous prime is 2021002097. The next prime is 2021002169. The reversal of 2021002133 is 3312001202.

It is a happy number.

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.

It is an interprime number because it is at equal distance from previous prime (2021002097) and next prime (2021002169).

It is a cyclic number.

It is not a de Polignac number, because 2021002133 - 2⁸ = 2021001877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021002733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5290391 + ... + 5290772.

It is an arithmetic number, because the mean of its divisors is an integer number (507895872).

Almost surely, 2^2021002133 is an apocalyptic number.

It is an amenable number.

2021002133 is a deficient number, since it is larger than the sum of its proper divisors (10581355).

2021002133 is a wasteful number, since it uses less digits than its factorization.

2021002133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10581354.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2021002133 is about 44955.5573094139. The cubic root of 2021002133 is about 1264.3158737367.

Adding to 2021002133 its reverse (3312001202), we get a palindrome (5333003335).

The spelling of 2021002133 in words is "two billion, twenty-one million, two thousand, one hundred thirty-three".