1100220221002 has 24 divisors (see below), whose sum is σ = 1919959397856. Its totient is φ = 471476928888.

The previous prime is 1100220220997. The next prime is 1100220221081. The reversal of 1100220221002 is 2001220220011.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 470893 + ... + 1556335.

It is an arithmetic number, because the mean of its divisors is an integer number (79998308244).

Almost surely, 2^{1100220221002} is an apocalyptic number.

1100220221002 is a deficient number, since it is larger than the sum of its proper divisors (819739176854).

1100220221002 is a wasteful number, since it uses less digits than its factorization.

1100220221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095802 (or 1095795 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1100220221002 its reverse (2001220220011), we get a palindrome (3101440441013).

Subtracting 1100220221002 from its reverse (2001220220011), we obtain a palindrome (900999999009).

It can be divided in two parts, 11002 and 20221002, that added together give a square (20232004 = 4498²).

The spelling of 1100220221002 in words is "one trillion, one hundred billion, two hundred twenty million, two hundred twenty-one thousand, two".