1322100231121 has 4 divisors (see below), whose sum is σ = 1322230613044. Its totient is φ = 1321969849200.

The previous prime is 1322100231113. The next prime is 1322100231131. The reversal of 1322100231121 is 1211320012231.

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 610500009025 + 711600222096 = 781345^2 + 843564^2 .

It is a cyclic number.

It is not a de Polignac number, because 1322100231121 - 2³ = 1322100231113 is a prime.

It is a super-2 number, since 2×1322100231121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1322100231131) 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, 65175750 + ... + 65196031.

It is an arithmetic number, because the mean of its divisors is an integer number (330557653261).

Almost surely, 2^{1322100231121} is an apocalyptic number.

It is an amenable number.

1322100231121 is a deficient number, since it is larger than the sum of its proper divisors (130381923).

1322100231121 is a wasteful number, since it uses less digits than its factorization.

1322100231121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130381922.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1322100231121 its reverse (1211320012231), we get a palindrome (2533420243352).

The spelling of 1322100231121 in words is "one trillion, three hundred twenty-two billion, one hundred million, two hundred thirty-one thousand, one hundred twenty-one".