541400231530221 has 16 divisors (see below), whose sum is σ = 824991196556928. Its totient is φ = 309371423040000.

The previous prime is 541400231530187. The next prime is 541400231530237. The reversal of 541400231530221 is 122035132004145.

It is not a de Polignac number, because 541400231530221 - 2⁹ = 541400231529709 is a prime.

It is a super-2 number, since 2×541400231530221² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541400231530241) 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, 60034021 + ... + 68460821.

It is an arithmetic number, because the mean of its divisors is an integer number (51561949784808).

Almost surely, 2^{541400231530221} is an apocalyptic number.

It is an amenable number.

541400231530221 is a deficient number, since it is larger than the sum of its proper divisors (283590965026707).

541400231530221 is a wasteful number, since it uses less digits than its factorization.

541400231530221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11486212.

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

Adding to 541400231530221 its reverse (122035132004145), we get a palindrome (663435363534366).

The spelling of 541400231530221 in words is "five hundred forty-one trillion, four hundred billion, two hundred thirty-one million, five hundred thirty thousand, two hundred twenty-one".