2111120000111 has 4 divisors (see below), whose sum is σ = 2142629253912. Its totient is φ = 2079610746312.

The previous prime is 2111120000081. The next prime is 2111120000141. The reversal of 2111120000111 is 1110000211112.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2111120000081) and next prime (2111120000141).

It is a cyclic number.

It is not a de Polignac number, because 2111120000111 - 2²² = 2111115805807 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2111120000092 and 2111120000101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111120000141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15754626800 + ... + 15754626933.

It is an arithmetic number, because the mean of its divisors is an integer number (535657313478).

Almost surely, 2^{2111120000111} is an apocalyptic number.

2111120000111 is a deficient number, since it is larger than the sum of its proper divisors (31509253801).

2111120000111 is an equidigital number, since it uses as much as digits as its factorization.

2111120000111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31509253800.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 2111120000111 its reverse (1110000211112), we get a palindrome (3221120211223).

The spelling of 2111120000111 in words is "two trillion, one hundred eleven billion, one hundred twenty million, one hundred eleven", and thus it is an aban number.