11001121022201 has 8 divisors (see below), whose sum is σ = 11005941982464. Its totient is φ = 10996301114800.

The previous prime is 11001121022183. The next prime is 11001121022261. The reversal of 11001121022201 is 10222012110011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11001121022201 is a prime.

It is a super-2 number, since 2×11001121022201² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11001121022261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21013976 + ... + 21531126.

It is an arithmetic number, because the mean of its divisors is an integer number (1375742747808).

Almost surely, 2^{11001121022201} is an apocalyptic number.

It is an amenable number.

11001121022201 is a deficient number, since it is larger than the sum of its proper divisors (4820960263).

11001121022201 is an equidigital number, since it uses as much as digits as its factorization.

11001121022201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526431.

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

Adding to 11001121022201 its reverse (10222012110011), we get a palindrome (21223133132212).

The spelling of 11001121022201 in words is "eleven trillion, one billion, one hundred twenty-one million, twenty-two thousand, two hundred one".