211011031113113 has 24 divisors (see below), whose sum is σ = 283528081979424. Its totient is φ = 154752169488000.

The previous prime is 211011031113109. The next prime is 211011031113137. The reversal of 211011031113113 is 311311130110112.

It is not a de Polignac number, because 211011031113113 - 2² = 211011031113109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (211011031113013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11514289163 + ... + 11514307488.

It is an arithmetic number, because the mean of its divisors is an integer number (11813670082476).

Almost surely, 2^{211011031113113} is an apocalyptic number.

It is an amenable number.

211011031113113 is a deficient number, since it is larger than the sum of its proper divisors (72517050866311).

211011031113113 is a wasteful number, since it uses less digits than its factorization.

211011031113113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23028596693 (or 23028596686 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 20.

Adding to 211011031113113 its reverse (311311130110112), we get a palindrome (522322161223225).

The spelling of 211011031113113 in words is "two hundred eleven trillion, eleven billion, thirty-one million, one hundred thirteen thousand, one hundred thirteen".