11022221202001 has 8 divisors (see below), whose sum is σ = 11032921950120. Its totient is φ = 11011523273088.

The previous prime is 11022221201939. The next prime is 11022221202007. The reversal of 11022221202001 is 10020212222011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5267025000000 + 5755196202001 = 2295000^2 + 2398999^2 .

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 11022221202001 - 2¹⁷ = 11022221070929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11022221202007) 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, 7160925 + ... + 8562901.

It is an arithmetic number, because the mean of its divisors is an integer number (1379115243765).

Almost surely, 2^{11022221202001} is an apocalyptic number.

It is an amenable number.

11022221202001 is a deficient number, since it is larger than the sum of its proper divisors (10700748119).

11022221202001 is a wasteful number, since it uses less digits than its factorization.

11022221202001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409603.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11022221202001 its reverse (10020212222011), we get a palindrome (21042433424012).

The spelling of 11022221202001 in words is "eleven trillion, twenty-two billion, two hundred twenty-one million, two hundred two thousand, one".