11201130231121 has 16 divisors (see below), whose sum is σ = 11946349744000. Its totient is φ = 10472106290688.

The previous prime is 11201130231113. The next prime is 11201130231199. The reversal of 11201130231121 is 12113203110211.

It is a cyclic number.

It is not a de Polignac number, because 11201130231121 - 2³ = 11201130231113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11201136231121) 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, 8064045 + ... + 9350458.

It is an arithmetic number, because the mean of its divisors is an integer number (746646859000).

Almost surely, 2^{11201130231121} is an apocalyptic number.

It is an amenable number.

11201130231121 is a deficient number, since it is larger than the sum of its proper divisors (745219512879).

11201130231121 is a wasteful number, since it uses less digits than its factorization.

11201130231121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17414968.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 11201130231121 its reverse (12113203110211), we get a palindrome (23314333341332).

The spelling of 11201130231121 in words is "eleven trillion, two hundred one billion, one hundred thirty million, two hundred thirty-one thousand, one hundred twenty-one".