11101222221010 has 16 divisors (see below), whose sum is σ = 19988124221016. Its totient is φ = 4439172394368.

The previous prime is 11101222220999. The next prime is 11101222221013. The reversal of 11101222221010 is 1012222210111.

It can be written as a sum of positive squares in 4 ways, for example, as 10194169794561 + 907052426449 = 3192831^2 + 952393^2 .

It is not an unprimeable number, because it can be changed into a prime (11101222221013) 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, 164526339 + ... + 164593798.

Almost surely, 2^{11101222221010} is an apocalyptic number.

11101222221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11101222221010 is a deficient number, since it is larger than the sum of its proper divisors (8886902000006).

11101222221010 is a wasteful number, since it uses less digits than its factorization.

11101222221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329123517.

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

Adding to 11101222221010 its reverse (1012222210111), we get a palindrome (12113444431121).

It can be divided in two parts, 1 and 1101222221010, that added together give a palindrome (1101222221011).

The spelling of 11101222221010 in words is "eleven trillion, one hundred one billion, two hundred twenty-two million, two hundred twenty-one thousand, ten".