2021202232143 has 4 divisors (see below), whose sum is σ = 2694936309528. Its totient is φ = 1347468154760.

The previous prime is 2021202232087. The next prime is 2021202232151. The reversal of 2021202232143 is 3412322021202.

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

It is a cyclic number.

It is not a de Polignac number, because 2021202232143 - 2⁶ = 2021202232079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021202232193) 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, 336867038688 + ... + 336867038693.

It is an arithmetic number, because the mean of its divisors is an integer number (673734077382).

Almost surely, 2^{2021202232143} is an apocalyptic number.

2021202232143 is a deficient number, since it is larger than the sum of its proper divisors (673734077385).

2021202232143 is an equidigital number, since it uses as much as digits as its factorization.

2021202232143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673734077384.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 2021202232143 its reverse (3412322021202), we get a palindrome (5433524253345).

The spelling of 2021202232143 in words is "two trillion, twenty-one billion, two hundred two million, two hundred thirty-two thousand, one hundred forty-three".