540303222101 has 4 divisors (see below), whose sum is σ = 550497622572. Its totient is φ = 530108821632.

The previous prime is 540303222089. The next prime is 540303222161. The reversal of 540303222101 is 101222303045.

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 262994608900 + 277308613201 = 512830^2 + 526601^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540303222101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540303222161) 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, 5097200156 + ... + 5097200261.

It is an arithmetic number, because the mean of its divisors is an integer number (137624405643).

Almost surely, 2^540303222101 is an apocalyptic number.

It is an amenable number.

540303222101 is a deficient number, since it is larger than the sum of its proper divisors (10194400471).

540303222101 is a wasteful number, since it uses less digits than its factorization.

540303222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10194400470.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 540303222101 its reverse (101222303045), we get a palindrome (641525525146).

The spelling of 540303222101 in words is "five hundred forty billion, three hundred three million, two hundred twenty-two thousand, one hundred one".