2133030230021 has 8 divisors (see below), whose sum is σ = 2159906287320. Its totient is φ = 2106294518272.

The previous prime is 2133030230017. The next prime is 2133030230027. The reversal of 2133030230021 is 1200320303312.

It can be written as a sum of positive squares in 4 ways, for example, as 208944981025 + 1924085248996 = 457105^2 + 1387114^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2133030230021 - 2² = 2133030230017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2133030229975 and 2133030230002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133030230027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35055800 + ... + 35116593.

It is an arithmetic number, because the mean of its divisors is an integer number (269988285915).

Almost surely, 2^{2133030230021} is an apocalyptic number.

It is an amenable number.

2133030230021 is a deficient number, since it is larger than the sum of its proper divisors (26876057299).

2133030230021 is a wasteful number, since it uses less digits than its factorization.

2133030230021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70172775.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 2133030230021 its reverse (1200320303312), we get a palindrome (3333350533333).

The spelling of 2133030230021 in words is "two trillion, one hundred thirty-three billion, thirty million, two hundred thirty thousand, twenty-one".