2232133220021 has 4 divisors (see below), whose sum is σ = 2234441528352. Its totient is φ = 2229824911692.

The previous prime is 2232133219997. The next prime is 2232133220027. The reversal of 2232133220021 is 1200223312322.

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 a cyclic number.

It is not a de Polignac number, because 2232133220021 - 2¹⁴ = 2232133203637 is a prime.

It is a super-3 number, since 3×2232133220021³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2232133220027) 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, 1154152715 + ... + 1154154648.

It is an arithmetic number, because the mean of its divisors is an integer number (558610382088).

Almost surely, 2^{2232133220021} is an apocalyptic number.

It is an amenable number.

2232133220021 is a deficient number, since it is larger than the sum of its proper divisors (2308308331).

2232133220021 is an equidigital number, since it uses as much as digits as its factorization.

2232133220021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2308308330.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 2232133220021 its reverse (1200223312322), we get a palindrome (3432356532343).

The spelling of 2232133220021 in words is "two trillion, two hundred thirty-two billion, one hundred thirty-three million, two hundred twenty thousand, twenty-one".