1013211001111 has 2 divisors, whose sum is σ = 1013211001112. Its totient is φ = 1013211001110.

The previous prime is 1013211001109. The next prime is 1013211001147. The reversal of 1013211001111 is 1111001123101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1013211001111 - 2¹ = 1013211001109 is a prime.

Together with 1013211001109, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1013211001091 and 1013211001100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1013211001211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506605500555 + 506605500556.

It is an arithmetic number, because the mean of its divisors is an integer number (506605500556).

Almost surely, 2^{1013211001111} is an apocalyptic number.

1013211001111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013211001111 is an equidigital number, since it uses as much as digits as its factorization.

1013211001111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 13.

Adding to 1013211001111 its reverse (1111001123101), we get a palindrome (2124212124212).

The spelling of 1013211001111 in words is "one trillion, thirteen billion, two hundred eleven million, one thousand, one hundred eleven".