1013111331211 has 8 divisors (see below), whose sum is σ = 1171791419904. Its totient is φ = 857918717160.

The previous prime is 1013111331191. The next prime is 1013111331217. The reversal of 1013111331211 is 1121331113101.

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

It is a cyclic number.

It is not a de Polignac number, because 1013111331211 - 2⁷ = 1013111331083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1013111331217) 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 7 ways as a sum of consecutive naturals, for example, 871868035 + ... + 871869196.

It is an arithmetic number, because the mean of its divisors is an integer number (146473927488).

Almost surely, 2^{1013111331211} is an apocalyptic number.

1013111331211 is a deficient number, since it is larger than the sum of its proper divisors (158680088693).

1013111331211 is an equidigital number, since it uses as much as digits as its factorization.

1013111331211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743737321.

The product of its (nonzero) digits is 54, while the sum is 19.

Adding to 1013111331211 its reverse (1121331113101), we get a palindrome (2134442444312).

The spelling of 1013111331211 in words is "one trillion, thirteen billion, one hundred eleven million, three hundred thirty-one thousand, two hundred eleven".