202120011343 has 2 divisors, whose sum is σ = 202120011344. Its totient is φ = 202120011342.

The previous prime is 202120011337. The next prime is 202120011389. The reversal of 202120011343 is 343110021202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202120011343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202120011343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202120011043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101060005671 + 101060005672.

It is an arithmetic number, because the mean of its divisors is an integer number (101060005672).

Almost surely, 2^202120011343 is an apocalyptic number.

202120011343 is a deficient number, since it is larger than the sum of its proper divisors (1).

202120011343 is an equidigital number, since it uses as much as digits as its factorization.

202120011343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 202120011343 its reverse (343110021202), we get a palindrome (545230032545).

The spelling of 202120011343 in words is "two hundred two billion, one hundred twenty million, eleven thousand, three hundred forty-three".