1100102021221 has 16 divisors (see below), whose sum is σ = 1270346644224. Its totient is φ = 933155000064.

The previous prime is 1100102021219. The next prime is 1100102021299. The reversal of 1100102021221 is 1221202010011.

It is not a de Polignac number, because 1100102021221 - 2¹ = 1100102021219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100102021621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 563010 + ... + 1586563.

It is an arithmetic number, because the mean of its divisors is an integer number (79396665264).

Almost surely, 2^{1100102021221} is an apocalyptic number.

It is an amenable number.

1100102021221 is a deficient number, since it is larger than the sum of its proper divisors (170244623003).

1100102021221 is a wasteful number, since it uses less digits than its factorization.

1100102021221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2150340.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1100102021221 its reverse (1221202010011), we get a palindrome (2321304031232).

The spelling of 1100102021221 in words is "one trillion, one hundred billion, one hundred two million, twenty-one thousand, two hundred twenty-one".