1321300011101 has 12 divisors (see below), whose sum is σ = 1537168109148. Its totient is φ = 1132435547712.

The previous prime is 1321300011091. The next prime is 1321300011113. The reversal of 1321300011101 is 1011100031231.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 25880443876 + 1295419567225 = 160874^2 + 1138165^2 .

It is not a de Polignac number, because 1321300011101 - 2²⁶ = 1321232902237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321300011401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 753056 + ... + 1791561.

It is an arithmetic number, because the mean of its divisors is an integer number (128097342429).

Almost surely, 2^{1321300011101} is an apocalyptic number.

It is an amenable number.

1321300011101 is a deficient number, since it is larger than the sum of its proper divisors (215868098047).

1321300011101 is a wasteful number, since it uses less digits than its factorization.

1321300011101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2555228 (or 2555221 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 1321300011101 its reverse (1011100031231), we get a palindrome (2332400042332).

The spelling of 1321300011101 in words is "one trillion, three hundred twenty-one billion, three hundred million, eleven thousand, one hundred one".