11121121101201 has 32 divisors (see below), whose sum is σ = 15250639651200. Its totient is φ = 7203417661440.

The previous prime is 11121121101151. The next prime is 11121121101317. The reversal of 11121121101201 is 10210112112111.

It is not a de Polignac number, because 11121121101201 - 2¹⁵ = 11121121068433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11121121101001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 427245855 + ... + 427271883.

It is an arithmetic number, because the mean of its divisors is an integer number (476582489100).

Almost surely, 2^{11121121101201} is an apocalyptic number.

It is an amenable number.

11121121101201 is a deficient number, since it is larger than the sum of its proper divisors (4129518549999).

11121121101201 is a wasteful number, since it uses less digits than its factorization.

11121121101201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31409.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 11121121101201 its reverse (10210112112111), we get a palindrome (21331233213312).

The spelling of 11121121101201 in words is "eleven trillion, one hundred twenty-one billion, one hundred twenty-one million, one hundred one thousand, two hundred one".