2113311103111 has 16 divisors (see below), whose sum is σ = 2354641178400. Its totient is φ = 1883250085248.

The previous prime is 2113311103031. The next prime is 2113311103129. The reversal of 2113311103111 is 1113011133112.

It is not a de Polignac number, because 2113311103111 - 2¹⁹ = 2113310578823 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 (2113311103151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2765080 + ... + 3445618.

It is an arithmetic number, because the mean of its divisors is an integer number (147165073650).

Almost surely, 2^{2113311103111} is an apocalyptic number.

2113311103111 is a deficient number, since it is larger than the sum of its proper divisors (241330075289).

2113311103111 is a wasteful number, since it uses less digits than its factorization.

2113311103111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688818.

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

Adding to 2113311103111 its reverse (1113011133112), we get a palindrome (3226322236223).

The spelling of 2113311103111 in words is "two trillion, one hundred thirteen billion, three hundred eleven million, one hundred three thousand, one hundred eleven".