11101441021 has 8 divisors (see below), whose sum is σ = 12392306784. Its totient is φ = 9857515920.

The previous prime is 11101440991. The next prime is 11101441061. The reversal of 11101441021 is 12014410111.

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 11101441021 - 2⁹ = 11101440509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11101440986 and 11101441004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101441061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11734666 + ... + 11735611.

It is an arithmetic number, because the mean of its divisors is an integer number (1549038348).

Almost surely, 2^11101441021 is an apocalyptic number.

11101441021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11101441021 is a deficient number, since it is larger than the sum of its proper divisors (1290865763).

11101441021 is a wasteful number, since it uses less digits than its factorization.

11101441021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23470331.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11101441021 its reverse (12014410111), we get a palindrome (23115851132).

The spelling of 11101441021 in words is "eleven billion, one hundred one million, four hundred forty-one thousand, twenty-one".