11220313231001 has 32 divisors (see below), whose sum is σ = 13608172316160. Its totient is φ = 9031258137600.

The previous prime is 11220313230977. The next prime is 11220313231073. The reversal of 11220313231001 is 10013231302211.

It is a happy number.

11220313231001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11220313231001 - 2⁶ = 11220313230937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11220313231091) 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, 222330911 + ... + 222381371.

It is an arithmetic number, because the mean of its divisors is an integer number (425255384880).

Almost surely, 2^{11220313231001} is an apocalyptic number.

It is an amenable number.

11220313231001 is a deficient number, since it is larger than the sum of its proper divisors (2387859085159).

11220313231001 is a wasteful number, since it uses less digits than its factorization.

11220313231001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54665.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 11220313231001 its reverse (10013231302211), we get a palindrome (21233544533212).

The spelling of 11220313231001 in words is "eleven trillion, two hundred twenty billion, three hundred thirteen million, two hundred thirty-one thousand, one".