1101220312222 has 16 divisors (see below), whose sum is σ = 1655639637120. Its totient is φ = 549341889408.

The previous prime is 1101220312189. The next prime is 1101220312237. The reversal of 1101220312222 is 2222130221011.

It is a self number, because there is not a number n which added to its sum of digits gives 1101220312222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1152883 + ... + 1879249.

It is an arithmetic number, because the mean of its divisors is an integer number (103477477320).

Almost surely, 2^{1101220312222} is an apocalyptic number.

1101220312222 is a deficient number, since it is larger than the sum of its proper divisors (554419324898).

1101220312222 is an equidigital number, since it uses as much as digits as its factorization.

1101220312222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728115.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1101220312222 its reverse (2222130221011), we get a palindrome (3323350533233).

The spelling of 1101220312222 in words is "one trillion, one hundred one billion, two hundred twenty million, three hundred twelve thousand, two hundred twenty-two".