11201120221001 has 8 divisors (see below), whose sum is σ = 11220409187904. Its totient is φ = 11181844992240.

The previous prime is 11201120220889. The next prime is 11201120221019. The reversal of 11201120221001 is 10012202110211.

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-11201120221001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11201120221091) 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, 1801805 + ... + 5064458.

It is an arithmetic number, because the mean of its divisors is an integer number (1402551148488).

Almost surely, 2^{11201120221001} is an apocalyptic number.

It is an amenable number.

11201120221001 is a deficient number, since it is larger than the sum of its proper divisors (19288966903).

11201120221001 is an equidigital number, since it uses as much as digits as its factorization.

11201120221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6869071.

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

Adding to 11201120221001 its reverse (10012202110211), we get a palindrome (21213322331212).

The spelling of 11201120221001 in words is "eleven trillion, two hundred one billion, one hundred twenty million, two hundred twenty-one thousand, one".