11002211212001 has 2 divisors, whose sum is σ = 11002211212002. Its totient is φ = 11002211212000.

The previous prime is 11002211211997. The next prime is 11002211212009. The reversal of 11002211212001 is 10021211220011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10492416640000 + 509794572001 = 3239200^2 + 713999^2 .

It is an emirp because it is prime and its reverse (10021211220011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11002211212001 - 2² = 11002211211997 is a prime.

It is not a weakly prime, because it can be changed into another prime (11002211212009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5501105606000 + 5501105606001.

It is an arithmetic number, because the mean of its divisors is an integer number (5501105606001).

Almost surely, 2^{11002211212001} is an apocalyptic number.

It is an amenable number.

11002211212001 is a deficient number, since it is larger than the sum of its proper divisors (1).

11002211212001 is an equidigital number, since it uses as much as digits as its factorization.

11002211212001 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 11002211212001 its reverse (10021211220011), we get a palindrome (21023422432012).

The spelling of 11002211212001 in words is "eleven trillion, two billion, two hundred eleven million, two hundred twelve thousand, one".