1201331211301 has 4 divisors (see below), whose sum is σ = 1293741304492. Its totient is φ = 1108921118112.

The previous prime is 1201331211281. The next prime is 1201331211313. The reversal of 1201331211301 is 1031121331021.

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 80275888900 + 1121055322401 = 283330^2 + 1058799^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201331211301 - 2¹⁹ = 1201330687013 is a prime.

It is a super-2 number, since 2×1201331211301² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201331211341) 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, 46205046576 + ... + 46205046601.

It is an arithmetic number, because the mean of its divisors is an integer number (323435326123).

Almost surely, 2^{1201331211301} is an apocalyptic number.

It is an amenable number.

1201331211301 is a deficient number, since it is larger than the sum of its proper divisors (92410093191).

1201331211301 is an equidigital number, since it uses as much as digits as its factorization.

1201331211301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92410093190.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1201331211301 its reverse (1031121331021), we get a palindrome (2232452542322).

The spelling of 1201331211301 in words is "one trillion, two hundred one billion, three hundred thirty-one million, two hundred eleven thousand, three hundred one".