2111112200111 has 32 divisors (see below), whose sum is σ = 2193902781120. Its totient is φ = 2030617645056.

The previous prime is 2111112200083. The next prime is 2111112200117. The reversal of 2111112200111 is 1110022111112.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2111112200111 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 (2111112200117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139736420 + ... + 139751526.

It is an arithmetic number, because the mean of its divisors is an integer number (68559461910).

Almost surely, 2^{2111112200111} is an apocalyptic number.

2111112200111 is a deficient number, since it is larger than the sum of its proper divisors (82790581009).

2111112200111 is a wasteful number, since it uses less digits than its factorization.

2111112200111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15563.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 2111112200111 its reverse (1110022111112), we get a palindrome (3221134311223).

The spelling of 2111112200111 in words is "two trillion, one hundred eleven billion, one hundred twelve million, two hundred thousand, one hundred eleven".