111012111021011 has 2 divisors, whose sum is σ = 111012111021012. Its totient is φ = 111012111021010.

The previous prime is 111012111021001. The next prime is 111012111021043. The reversal of 111012111021011 is 110120111210111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111012111021011 - 2⁴⁶ = 40643366843347 is a prime.

It is not a weakly prime, because it can be changed into another prime (111012111021001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55506055510505 + 55506055510506.

It is an arithmetic number, because the mean of its divisors is an integer number (55506055510506).

Almost surely, 2^{111012111021011} is an apocalyptic number.

111012111021011 is a deficient number, since it is larger than the sum of its proper divisors (1).

111012111021011 is an equidigital number, since it uses as much as digits as its factorization.

111012111021011 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 14.

Adding to 111012111021011 its reverse (110120111210111), we get a palindrome (221132222231122).

The spelling of 111012111021011 in words is "one hundred eleven trillion, twelve billion, one hundred eleven million, twenty-one thousand, eleven".