1101220221002 has 24 divisors (see below), whose sum is σ = 1820087616900. Its totient is φ = 499330751040.

The previous prime is 1101220220993. The next prime is 1101220221041. The reversal of 1101220221002 is 2001220221011.

It can be written as a sum of positive squares in 2 ways, for example, as 1004182363921 + 97037857081 = 1002089^2 + 311509^2 .

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, 5463977 + ... + 5661932.

Almost surely, 2^{1101220221002} is an apocalyptic number.

1101220221002 is a deficient number, since it is larger than the sum of its proper divisors (718867395898).

1101220221002 is a wasteful number, since it uses less digits than its factorization.

1101220221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11126342 (or 11126331 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1101220221002 its reverse (2001220221011), we get a palindrome (3102440442013).

Subtracting 1101220221002 from its reverse (2001220221011), we obtain a palindrome (900000000009).

The spelling of 1101220221002 in words is "one trillion, one hundred one billion, two hundred twenty million, two hundred twenty-one thousand, two".