1131212033101 has 4 divisors (see below), whose sum is σ = 1140119214592. Its totient is φ = 1122304851612.

The previous prime is 1131212033093. The next prime is 1131212033129. The reversal of 1131212033101 is 1013302121311.

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 1131212033101 - 2³ = 1131212033093 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 (1131212633101) 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, 4453590555 + ... + 4453590808.

It is an arithmetic number, because the mean of its divisors is an integer number (285029803648).

Almost surely, 2^{1131212033101} is an apocalyptic number.

It is an amenable number.

1131212033101 is a deficient number, since it is larger than the sum of its proper divisors (8907181491).

1131212033101 is an equidigital number, since it uses as much as digits as its factorization.

1131212033101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8907181490.

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

Adding to 1131212033101 its reverse (1013302121311), we get a palindrome (2144514154412).

The spelling of 1131212033101 in words is "one trillion, one hundred thirty-one billion, two hundred twelve million, thirty-three thousand, one hundred one".