1301021101133 has 4 divisors (see below), whose sum is σ = 1401099647388. Its totient is φ = 1200942554880.

The previous prime is 1301021101117. The next prime is 1301021101151. The reversal of 1301021101133 is 3311011201031.

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 261757070884 + 1039264030249 = 511622^2 + 1019443^2 .

It is a cyclic number.

It is not a de Polignac number, because 1301021101133 - 2⁴ = 1301021101117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301021101183) 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, 50039273108 + ... + 50039273133.

It is an arithmetic number, because the mean of its divisors is an integer number (350274911847).

Almost surely, 2^{1301021101133} is an apocalyptic number.

1301021101133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1301021101133 is a deficient number, since it is larger than the sum of its proper divisors (100078546255).

1301021101133 is a wasteful number, since it uses less digits than its factorization.

1301021101133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100078546254.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 1301021101133 its reverse (3311011201031), we get a palindrome (4612032302164).

The spelling of 1301021101133 in words is "one trillion, three hundred one billion, twenty-one million, one hundred one thousand, one hundred thirty-three".