1101101244421 has 4 divisors (see below), whose sum is σ = 1101111711372. Its totient is φ = 1101090777472.

The previous prime is 1101101244413. The next prime is 1101101244449. The reversal of 1101101244421 is 1244421011011.

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 850139320900 + 250961923521 = 922030^2 + 500961^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101101244421 - 2³ = 1101101244413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101101244392 and 1101101244401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101101244521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5074060 + ... + 5286613.

It is an arithmetic number, because the mean of its divisors is an integer number (275277927843).

Almost surely, 2^{1101101244421} is an apocalyptic number.

It is an amenable number.

1101101244421 is a deficient number, since it is larger than the sum of its proper divisors (10466951).

1101101244421 is a wasteful number, since it uses less digits than its factorization.

1101101244421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10466950.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 1101101244421 its reverse (1244421011011), we get a palindrome (2345522255432).

It can be divided in two parts, 110110 and 1244421, that added together give a palindrome (1354531).

The spelling of 1101101244421 in words is "one trillion, one hundred one billion, one hundred one million, two hundred forty-four thousand, four hundred twenty-one".