11001131223201 has 16 divisors (see below), whose sum is σ = 18626253923200. Its totient is φ = 6286360698864.

The previous prime is 11001131223197. The next prime is 11001131223223. The reversal of 11001131223201 is 10232213110011.

11001131223201 is a `hidden beast` number, since 110 + 0 + 1 + 131 + 223 + 201 = 666.

It is not a de Polignac number, because 11001131223201 - 2² = 11001131223197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11001131213201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29103521566 + ... + 29103521943.

It is an arithmetic number, because the mean of its divisors is an integer number (1164140870200).

Almost surely, 2^{11001131223201} is an apocalyptic number.

It is an amenable number.

11001131223201 is a deficient number, since it is larger than the sum of its proper divisors (7625122699999).

11001131223201 is an equidigital number, since it uses as much as digits as its factorization.

11001131223201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58207043525 (or 58207043519 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 11001131223201 its reverse (10232213110011), we get a palindrome (21233344333212).

The spelling of 11001131223201 in words is "eleven trillion, one billion, one hundred thirty-one million, two hundred twenty-three thousand, two hundred one".