110120021111 has 2 divisors, whose sum is σ = 110120021112. Its totient is φ = 110120021110.

The previous prime is 110120021087. The next prime is 110120021147. The reversal of 110120021111 is 111120021011.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110120021111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110120021092 and 110120021101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110120021411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55060010555 + 55060010556.

It is an arithmetic number, because the mean of its divisors is an integer number (55060010556).

Almost surely, 2^110120021111 is an apocalyptic number.

110120021111 is a deficient number, since it is larger than the sum of its proper divisors (1).

110120021111 is an equidigital number, since it uses as much as digits as its factorization.

110120021111 is an evil number, because the sum of its binary digits is even.

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

Adding to 110120021111 its reverse (111120021011), we get a palindrome (221240042122).

The spelling of 110120021111 in words is "one hundred ten billion, one hundred twenty million, twenty-one thousand, one hundred eleven".