1100021220322 has 16 divisors (see below), whose sum is σ = 1707095538360. Its totient is φ = 530993064448.

The previous prime is 1100021220289. The next prime is 1100021220401. The reversal of 1100021220322 is 2230221200011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 737449845001 + 362571375321 = 858749^2 + 602139^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1100021220296 and 1100021220305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317833 + ... + 1516924.

Almost surely, 2^{1100021220322} is an apocalyptic number.

1100021220322 is a deficient number, since it is larger than the sum of its proper divisors (607074318038).

1100021220322 is a wasteful number, since it uses less digits than its factorization.

1100021220322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845125.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1100021220322 its reverse (2230221200011), we get a palindrome (3330242420333).

The spelling of 1100021220322 in words is "one trillion, one hundred billion, twenty-one million, two hundred twenty thousand, three hundred twenty-two".