11022221212001 has 8 divisors (see below), whose sum is σ = 11035727549184. Its totient is φ = 11008719683280.

The previous prime is 11022221211959. The next prime is 11022221212021. The reversal of 11022221212001 is 10021212222011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11022221212001 - 2²⁶ = 11022154103137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11022221212021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3395966 + ... + 5794568.

It is an arithmetic number, because the mean of its divisors is an integer number (1379465943648).

Almost surely, 2^{11022221212001} is an apocalyptic number.

It is an amenable number.

11022221212001 is a deficient number, since it is larger than the sum of its proper divisors (13506337183).

11022221212001 is an equidigital number, since it uses as much as digits as its factorization.

11022221212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2404231.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11022221212001 its reverse (10021212222011), we get a palindrome (21043433434012).

The spelling of 11022221212001 in words is "eleven trillion, twenty-two billion, two hundred twenty-one million, two hundred twelve thousand, one".