11101220012222 has 32 divisors (see below), whose sum is σ = 17419265740800. Its totient is φ = 5300008005600.

The previous prime is 11101220012219. The next prime is 11101220012227. The reversal of 11101220012222 is 22221002210111.

It is a self number, because there is not a number n which added to its sum of digits gives 11101220012222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101220012227) 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, 1821404 + ... + 5051727.

It is an arithmetic number, because the mean of its divisors is an integer number (544352054400).

Almost surely, 2^{11101220012222} is an apocalyptic number.

11101220012222 is a deficient number, since it is larger than the sum of its proper divisors (6318045728578).

11101220012222 is a wasteful number, since it uses less digits than its factorization.

11101220012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6873512.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11101220012222 its reverse (22221002210111), we get a palindrome (33322222222333).

The spelling of 11101220012222 in words is "eleven trillion, one hundred one billion, two hundred twenty million, twelve thousand, two hundred twenty-two".