1100021220002 has 16 divisors (see below), whose sum is σ = 1661116154040. Its totient is φ = 546318259968.

The previous prime is 1100021219981. The next prime is 1100021220007. The reversal of 1100021220002 is 2000221200011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 361695190921 + 738326029081 = 601411^2 + 859259^2 .

It is not an unprimeable number, because it can be changed into a prime (1100021220007) 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, 305024 + ... + 1514292.

Almost surely, 2^{1100021220002} is an apocalyptic number.

1100021220002 is a deficient number, since it is larger than the sum of its proper divisors (561094934038).

1100021220002 is a wasteful number, since it uses less digits than its factorization.

1100021220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212325.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1100021220002 its reverse (2000221200011), we get a palindrome (3100242420013).

The spelling of 1100021220002 in words is "one trillion, one hundred billion, twenty-one million, two hundred twenty thousand, two".