11103331221001 has 16 divisors (see below), whose sum is σ = 11495357250048. Its totient is φ = 10713425529600.

The previous prime is 11103331220983. The next prime is 11103331221007. The reversal of 11103331221001 is 10012213330111.

It is a cyclic number.

It is not a de Polignac number, because 11103331221001 - 2³⁷ = 10965892267529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11103331221001.

It is not an unprimeable number, because it can be changed into a prime (11103331221007) 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, 200708721 + ... + 200764033.

It is an arithmetic number, because the mean of its divisors is an integer number (718459828128).

Almost surely, 2^{11103331221001} is an apocalyptic number.

It is an amenable number.

11103331221001 is a deficient number, since it is larger than the sum of its proper divisors (392026029047).

11103331221001 is a wasteful number, since it uses less digits than its factorization.

11103331221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74352.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 11103331221001 its reverse (10012213330111), we get a palindrome (21115544551112).

The spelling of 11103331221001 in words is "eleven trillion, one hundred three billion, three hundred thirty-one million, two hundred twenty-one thousand, one".