11100110220021 has 16 divisors (see below), whose sum is σ = 15443708958720. Its totient is φ = 7078295703600.

The previous prime is 11100110219999. The next prime is 11100110220041. The reversal of 11100110220021 is 12002201100111.

It is not a de Polignac number, because 11100110220021 - 2¹⁵ = 11100110187253 is a prime.

It is a super-2 number, since 2×11100110220021² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11100110219979 and 11100110220006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100110220041) 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, 24975696 + ... + 25416246.

It is an arithmetic number, because the mean of its divisors is an integer number (965231809920).

Almost surely, 2^{11100110220021} is an apocalyptic number.

It is an amenable number.

11100110220021 is a deficient number, since it is larger than the sum of its proper divisors (4343598738699).

11100110220021 is a wasteful number, since it uses less digits than its factorization.

11100110220021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805736.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11100110220021 its reverse (12002201100111), we get a palindrome (23102311320132).

The spelling of 11100110220021 in words is "eleven trillion, one hundred billion, one hundred ten million, two hundred twenty thousand, twenty-one".