2201534121543 has 16 divisors (see below), whose sum is σ = 2939784696576. Its totient is φ = 1465486989120.

The previous prime is 2201534121541. The next prime is 2201534121551. The reversal of 2201534121543 is 3451214351022.

It is not a de Polignac number, because 2201534121543 - 2¹ = 2201534121541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201534121541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18616963 + ... + 18734843.

It is an arithmetic number, because the mean of its divisors is an integer number (183736543536).

Almost surely, 2^{2201534121543} is an apocalyptic number.

2201534121543 is a deficient number, since it is larger than the sum of its proper divisors (738250575033).

2201534121543 is a wasteful number, since it uses less digits than its factorization.

2201534121543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127174.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 2201534121543 its reverse (3451214351022), we get a palindrome (5652748472565).

The spelling of 2201534121543 in words is "two trillion, two hundred one billion, five hundred thirty-four million, one hundred twenty-one thousand, five hundred forty-three".