11101244021 has 8 divisors (see below), whose sum is σ = 12689209344. Its totient is φ = 9513797040.

The previous prime is 11101243999. The next prime is 11101244029. The reversal of 11101244021 is 12044210111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11101244021 - 2²⁶ = 11034135157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101244029) 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 7 ways as a sum of consecutive naturals, for example, 82550 + ... + 170343.

It is an arithmetic number, because the mean of its divisors is an integer number (1586151168).

Almost surely, 2^11101244021 is an apocalyptic number.

It is an amenable number.

11101244021 is a deficient number, since it is larger than the sum of its proper divisors (1587965323).

11101244021 is an equidigital number, since it uses as much as digits as its factorization.

11101244021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259171.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11101244021 its reverse (12044210111), we get a palindrome (23145454132).

The spelling of 11101244021 in words is "eleven billion, one hundred one million, two hundred forty-four thousand, twenty-one".