1101040431321 has 16 divisors (see below), whose sum is σ = 1471719412800. Its totient is φ = 732194588928.

The previous prime is 1101040431317. The next prime is 1101040431329. The reversal of 1101040431321 is 1231340401011.

It is not a de Polignac number, because 1101040431321 - 2² = 1101040431317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1101040431329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12739365 + ... + 12825501.

It is an arithmetic number, because the mean of its divisors is an integer number (91982463300).

Almost surely, 2^{1101040431321} is an apocalyptic number.

It is an amenable number.

1101040431321 is a deficient number, since it is larger than the sum of its proper divisors (370678981479).

1101040431321 is a wasteful number, since it uses less digits than its factorization.

1101040431321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96728.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1101040431321 its reverse (1231340401011), we get a palindrome (2332380832332).

The spelling of 1101040431321 in words is "one trillion, one hundred one billion, forty million, four hundred thirty-one thousand, three hundred twenty-one".