2122420403533 has 4 divisors (see below), whose sum is σ = 2179783117180. Its totient is φ = 2065057689888.

The previous prime is 2122420403483. The next prime is 2122420403657. The reversal of 2122420403533 is 3353040242212.

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 1580154589764 + 542265813769 = 1257042^2 + 736387^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122420403533 - 2²¹ = 2122418306381 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2122420403495 and 2122420403504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122420400533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28681356768 + ... + 28681356841.

It is an arithmetic number, because the mean of its divisors is an integer number (544945779295).

Almost surely, 2^{2122420403533} is an apocalyptic number.

It is an amenable number.

2122420403533 is a deficient number, since it is larger than the sum of its proper divisors (57362713647).

2122420403533 is an equidigital number, since it uses as much as digits as its factorization.

2122420403533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57362713646.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 2122420403533 its reverse (3353040242212), we get a palindrome (5475460645745).

The spelling of 2122420403533 in words is "two trillion, one hundred twenty-two billion, four hundred twenty million, four hundred three thousand, five hundred thirty-three".