2232143201021 has 4 divisors (see below), whose sum is σ = 2232222167772. Its totient is φ = 2232064234272.

The previous prime is 2232143201017. The next prime is 2232143201047. The reversal of 2232143201021 is 1201023412322.

2232143201021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1273038324100 + 959104876921 = 1128290^2 + 979339^2 .

It is a cyclic number.

It is not a de Polignac number, because 2232143201021 - 2² = 2232143201017 is a prime.

It is a super-3 number, since 3×2232143201021³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2232143201011) 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, 39440960 + ... + 39497513.

It is an arithmetic number, because the mean of its divisors is an integer number (558055541943).

Almost surely, 2^{2232143201021} is an apocalyptic number.

It is an amenable number.

2232143201021 is a deficient number, since it is larger than the sum of its proper divisors (78966751).

2232143201021 is an equidigital number, since it uses as much as digits as its factorization.

2232143201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78966750.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 2232143201021 its reverse (1201023412322), we get a palindrome (3433166613343).

The spelling of 2232143201021 in words is "two trillion, two hundred thirty-two billion, one hundred forty-three million, two hundred one thousand, twenty-one".