11002211022 has 64 divisors (see below), whose sum is σ = 25298380800. Its totient is φ = 3154762080.

The previous prime is 11002211021. The next prime is 11002211029. The reversal of 11002211022 is 22011220011.

It is a junction number, because it is equal to n+sod(n) for n = 11002210989 and 11002211007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002211021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1147653 + ... + 1157199.

It is an arithmetic number, because the mean of its divisors is an integer number (395287200).

Almost surely, 2^11002211022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11002211022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12649190400).

11002211022 is an abundant number, since it is smaller than the sum of its proper divisors (14296169778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11002211022 is a wasteful number, since it uses less digits than its factorization.

11002211022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10501.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11002211022 its reverse (22011220011), we get a palindrome (33013431033).

It can be divided in two parts, 1100 and 2211022, that added together give a palindrome (2212122).

The spelling of 11002211022 in words is "eleven billion, two million, two hundred eleven thousand, twenty-two".