11220111022 has 16 divisors (see below), whose sum is σ = 17638619040. Its totient is φ = 5342702112.

The previous prime is 11220111017. The next prime is 11220111029. The reversal of 11220111022 is 22011102211.

It is a junction number, because it is equal to n+sod(n) for n = 11220110993 and 11220111011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220111029) 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, 522033 + ... + 543100.

It is an arithmetic number, because the mean of its divisors is an integer number (1102413690).

Almost surely, 2^11220111022 is an apocalyptic number.

11220111022 is a deficient number, since it is larger than the sum of its proper divisors (6418508018).

11220111022 is a wasteful number, since it uses less digits than its factorization.

11220111022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065387.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11220111022 its reverse (22011102211), we get a palindrome (33231213233).

It can be divided in two parts, 11 and 220111022, that multiplied together give a palindrome (2421221242).

The spelling of 11220111022 in words is "eleven billion, two hundred twenty million, one hundred eleven thousand, twenty-two".