1021110002209 has 4 divisors (see below), whose sum is σ = 1113938184240. Its totient is φ = 928281820180.

The previous prime is 1021110002203. The next prime is 1021110002251. The reversal of 1021110002209 is 9022000111201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1021110002209 - 2¹¹ = 1021110000161 is a prime.

It is a super-2 number, since 2×1021110002209² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021110002203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46414090999 + ... + 46414091020.

It is an arithmetic number, because the mean of its divisors is an integer number (278484546060).

Almost surely, 2^{1021110002209} is an apocalyptic number.

It is an amenable number.

1021110002209 is a deficient number, since it is larger than the sum of its proper divisors (92828182031).

1021110002209 is an equidigital number, since it uses as much as digits as its factorization.

1021110002209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92828182030.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 1021110002209 in words is "one trillion, twenty-one billion, one hundred ten million, two thousand, two hundred nine".