40212111110111 has 2 divisors, whose sum is σ = 40212111110112. Its totient is φ = 40212111110110.

The previous prime is 40212111110021. The next prime is 40212111110123. The reversal of 40212111110111 is 11101111121204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40212111110111 - 2³⁴ = 40194931240927 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40212111110111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40212111110411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20106055555055 + 20106055555056.

It is an arithmetic number, because the mean of its divisors is an integer number (20106055555056).

Almost surely, 2^{40212111110111} is an apocalyptic number.

40212111110111 is a deficient number, since it is larger than the sum of its proper divisors (1).

40212111110111 is an equidigital number, since it uses as much as digits as its factorization.

40212111110111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 40212111110111 its reverse (11101111121204), we get a palindrome (51313222231315).

The spelling of 40212111110111 in words is "forty trillion, two hundred twelve billion, one hundred eleven million, one hundred ten thousand, one hundred eleven".