1135354204221 has 16 divisors (see below), whose sum is σ = 1517306880000. Its totient is φ = 755152877808.

The previous prime is 1135354204219. The next prime is 1135354204277. The reversal of 1135354204221 is 1224024535311.

It is not a de Polignac number, because 1135354204221 - 2¹ = 1135354204219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1135354204211) 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, 6476280 + ... + 6649278.

It is an arithmetic number, because the mean of its divisors is an integer number (94831680000).

Almost surely, 2^{1135354204221} is an apocalyptic number.

It is an amenable number.

1135354204221 is a deficient number, since it is larger than the sum of its proper divisors (381952675779).

1135354204221 is a wasteful number, since it uses less digits than its factorization.

1135354204221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178048.

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

Adding to 1135354204221 its reverse (1224024535311), we get a palindrome (2359378739532).

The spelling of 1135354204221 in words is "one trillion, one hundred thirty-five billion, three hundred fifty-four million, two hundred four thousand, two hundred twenty-one".