11002212222021 has 24 divisors (see below), whose sum is σ = 16728859447040. Its totient is φ = 6948620380800.

The previous prime is 11002212222011. The next prime is 11002212222037. The reversal of 11002212222021 is 12022221220011.

It is a happy number.

It is not a de Polignac number, because 11002212222021 - 2¹⁸ = 11002211959877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11002212221985 and 11002212222003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002212222011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7847916 + ... + 9142986.

Almost surely, 2^{11002212222021} is an apocalyptic number.

It is an amenable number.

11002212222021 is a deficient number, since it is larger than the sum of its proper divisors (5726647225019).

11002212222021 is a wasteful number, since it uses less digits than its factorization.

11002212222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344777 (or 1344774 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11002212222021 its reverse (12022221220011), we get a palindrome (23024433442032).

The spelling of 11002212222021 in words is "eleven trillion, two billion, two hundred twelve million, two hundred twenty-two thousand, twenty-one".