11002111222001 has 2 divisors, whose sum is σ = 11002111222002. Its totient is φ = 11002111222000.

The previous prime is 11002111221979. The next prime is 11002111222031. The reversal of 11002111222001 is 10022211120011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10966535603776 + 35575618225 = 3311576^2 + 188615^2 .

It is a cyclic number.

It is not a de Polignac number, because 11002111222001 - 2⁴² = 6604064710897 is a prime.

It is not a weakly prime, because it can be changed into another prime (11002111222031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5501055611000 + 5501055611001.

It is an arithmetic number, because the mean of its divisors is an integer number (5501055611001).

Almost surely, 2^{11002111222001} is an apocalyptic number.

It is an amenable number.

11002111222001 is a deficient number, since it is larger than the sum of its proper divisors (1).

11002111222001 is an equidigital number, since it uses as much as digits as its factorization.

11002111222001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11002111222001 its reverse (10022211120011), we get a palindrome (21024322342012).

The spelling of 11002111222001 in words is "eleven trillion, two billion, one hundred eleven million, two hundred twenty-two thousand, one".