11101100221222 has 32 divisors (see below), whose sum is σ = 19410450539040. Its totient is φ = 4705563732480.

The previous prime is 11101100221219. The next prime is 11101100221229. The reversal of 11101100221222 is 22212200110111.

It is a super-2 number, since 2×11101100221222² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11101100221196 and 11101100221205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101100221229) 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, 136115593 + ... + 136197124.

It is an arithmetic number, because the mean of its divisors is an integer number (606576579345).

Almost surely, 2^{11101100221222} is an apocalyptic number.

11101100221222 is a deficient number, since it is larger than the sum of its proper divisors (8309350317818).

11101100221222 is a wasteful number, since it uses less digits than its factorization.

11101100221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272312856.

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

Adding to 11101100221222 its reverse (22212200110111), we get a palindrome (33313300331333).

The spelling of 11101100221222 in words is "eleven trillion, one hundred one billion, one hundred million, two hundred twenty-one thousand, two hundred twenty-two".