11001222120201 has 64 divisors (see below), whose sum is σ = 16131867494400. Its totient is φ = 6640111779840.

The previous prime is 11001222120197. The next prime is 11001222120319. The reversal of 11001222120201 is 10202122210011.

It is not a de Polignac number, because 11001222120201 - 2² = 11001222120197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11001222120101) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 181361325 + ... + 181421973.

It is an arithmetic number, because the mean of its divisors is an integer number (252060429600).

Almost surely, 2^{11001222120201} is an apocalyptic number.

It is an amenable number.

11001222120201 is a deficient number, since it is larger than the sum of its proper divisors (5130645374199).

11001222120201 is a wasteful number, since it uses less digits than its factorization.

11001222120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61794.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11001222120201 its reverse (10202122210011), we get a palindrome (21203344330212).

The spelling of 11001222120201 in words is "eleven trillion, one billion, two hundred twenty-two million, one hundred twenty thousand, two hundred one".