2111113321111 has 8 divisors (see below), whose sum is σ = 2113519419648. Its totient is φ = 2108707419000.

The previous prime is 2111113321021. The next prime is 2111113321127. The reversal of 2111113321111 is 1111233111112.

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 2111113321111 - 2³¹ = 2108965837463 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 (2111113321171) 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, 37879776 + ... + 37935466.

It is an arithmetic number, because the mean of its divisors is an integer number (264189927456).

Almost surely, 2^{2111113321111} is an apocalyptic number.

2111113321111 is a deficient number, since it is larger than the sum of its proper divisors (2406098537).

2111113321111 is an equidigital number, since it uses as much as digits as its factorization.

2111113321111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98213.

The product of its digits is 36, while the sum is 19.

Adding to 2111113321111 its reverse (1111233111112), we get a palindrome (3222346432223).

The spelling of 2111113321111 in words is "two trillion, one hundred eleven billion, one hundred thirteen million, three hundred twenty-one thousand, one hundred eleven".