11322120231097 has 4 divisors (see below), whose sum is σ = 12193052556580. Its totient is φ = 10451187905616.

The previous prime is 11322120231083. The next prime is 11322120231131. The reversal of 11322120231097 is 79013202122311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4025725229241 + 7296395001856 = 2006421^2 + 2701184^2 .

It is a cyclic number.

It is not a de Polignac number, because 11322120231097 - 2³¹ = 11319972747449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11322120231077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435466162722 + ... + 435466162747.

It is an arithmetic number, because the mean of its divisors is an integer number (3048263139145).

Almost surely, 2^{11322120231097} is an apocalyptic number.

It is an amenable number.

11322120231097 is a deficient number, since it is larger than the sum of its proper divisors (870932325483).

11322120231097 is an equidigital number, since it uses as much as digits as its factorization.

11322120231097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870932325482.

The product of its (nonzero) digits is 9072, while the sum is 34.

The spelling of 11322120231097 in words is "eleven trillion, three hundred twenty-two billion, one hundred twenty million, two hundred thirty-one thousand, ninety-seven".