111212000102011 has 2 divisors, whose sum is σ = 111212000102012. Its totient is φ = 111212000102010.

The previous prime is 111212000101877. The next prime is 111212000102017. The reversal of 111212000102011 is 110201000212111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111212000102011 - 2¹³ = 111212000093819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111212000101982 and 111212000102000.

It is not a weakly prime, because it can be changed into another prime (111212000102017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55606000051005 + 55606000051006.

It is an arithmetic number, because the mean of its divisors is an integer number (55606000051006).

Almost surely, 2^{111212000102011} is an apocalyptic number.

111212000102011 is a deficient number, since it is larger than the sum of its proper divisors (1).

111212000102011 is an equidigital number, since it uses as much as digits as its factorization.

111212000102011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111212000102011 its reverse (110201000212111), we get a palindrome (221413000314122).

The spelling of 111212000102011 in words is "one hundred eleven trillion, two hundred twelve billion, one hundred two thousand, eleven".