1131021211301 has 4 divisors (see below), whose sum is σ = 1150191062400. Its totient is φ = 1111851360204.

The previous prime is 1131021211297. The next prime is 1131021211349. The reversal of 1131021211301 is 1031121201311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1131021211301 - 2² = 1131021211297 is a prime.

It is a super-2 number, since 2×1131021211301² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1131021211301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131021211361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9584925461 + ... + 9584925578.

It is an arithmetic number, because the mean of its divisors is an integer number (287547765600).

Almost surely, 2^{1131021211301} is an apocalyptic number.

It is an amenable number.

1131021211301 is a deficient number, since it is larger than the sum of its proper divisors (19169851099).

1131021211301 is an equidigital number, since it uses as much as digits as its factorization.

1131021211301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19169851098.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1131021211301 its reverse (1031121201311), we get a palindrome (2162142412612).

The spelling of 1131021211301 in words is "one trillion, one hundred thirty-one billion, twenty-one million, two hundred eleven thousand, three hundred one".