11122221221002 has 16 divisors (see below), whose sum is σ = 16934211467712. Its totient is φ = 5477502444480.

The previous prime is 11122221220931. The next prime is 11122221221009. The reversal of 11122221221002 is 20012212222111.

It is not an unprimeable number, because it can be changed into a prime (11122221221009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3378798 + ... + 5801785.

It is an arithmetic number, because the mean of its divisors is an integer number (1058388216732).

Almost surely, 2^{11122221221002} is an apocalyptic number.

11122221221002 is a deficient number, since it is larger than the sum of its proper divisors (5811990246710).

11122221221002 is an equidigital number, since it uses as much as digits as its factorization.

11122221221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9189693.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11122221221002 its reverse (20012212222111), we get a palindrome (31134433443113).

The spelling of 11122221221002 in words is "eleven trillion, one hundred twenty-two billion, two hundred twenty-one million, two hundred twenty-one thousand, two".