1100002021222 has 64 divisors (see below), whose sum is σ = 1859157780480. Its totient is φ = 484851878784.

The previous prime is 1100002021219. The next prime is 1100002021229. The reversal of 1100002021222 is 2221202000011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100002021229) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 9036708 + ... + 9157624.

It is an arithmetic number, because the mean of its divisors is an integer number (29049340320).

Almost surely, 2^{1100002021222} is an apocalyptic number.

1100002021222 is a deficient number, since it is larger than the sum of its proper divisors (759155759258).

1100002021222 is a wasteful number, since it uses less digits than its factorization.

1100002021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121157.

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

Adding to 1100002021222 its reverse (2221202000011), we get a palindrome (3321204021233).

The spelling of 1100002021222 in words is "one trillion, one hundred billion, two million, twenty-one thousand, two hundred twenty-two".