202122115132543 has 4 divisors (see below), whose sum is σ = 210910033181808. Its totient is φ = 193334197083280.

The previous prime is 202122115132481. The next prime is 202122115132603. The reversal of 202122115132543 is 345231511221202.

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 202122115132543 - 2³³ = 202113525197951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202122115132499 and 202122115132508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202122115135543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4393959024598 + ... + 4393959024643.

It is an arithmetic number, because the mean of its divisors is an integer number (52727508295452).

Almost surely, 2^{202122115132543} is an apocalyptic number.

202122115132543 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

202122115132543 is a deficient number, since it is larger than the sum of its proper divisors (8787918049265).

202122115132543 is an equidigital number, since it uses as much as digits as its factorization.

202122115132543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8787918049264.

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 202122115132543 its reverse (345231511221202), we get a palindrome (547353626353745).

The spelling of 202122115132543 in words is "two hundred two trillion, one hundred twenty-two billion, one hundred fifteen million, one hundred thirty-two thousand, five hundred forty-three".