1131211320113 has 8 divisors (see below), whose sum is σ = 1310522704128. Its totient is φ = 956327377824.

The previous prime is 1131211320101. The next prime is 1131211320121. The reversal of 1131211320113 is 3110231121311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1131211320113 - 2⁴ = 1131211320097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131211320163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1106859881 + ... + 1106860902.

It is an arithmetic number, because the mean of its divisors is an integer number (163815338016).

Almost surely, 2^{1131211320113} is an apocalyptic number.

It is an amenable number.

1131211320113 is a deficient number, since it is larger than the sum of its proper divisors (179311384015).

1131211320113 is an equidigital number, since it uses as much as digits as its factorization.

1131211320113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2213720863.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 1131211320113 its reverse (3110231121311), we get a palindrome (4241442441424).

The spelling of 1131211320113 in words is "one trillion, one hundred thirty-one billion, two hundred eleven million, three hundred twenty thousand, one hundred thirteen".