4121220112111 has 2 divisors, whose sum is σ = 4121220112112. Its totient is φ = 4121220112110.

The previous prime is 4121220112103. The next prime is 4121220112189. The reversal of 4121220112111 is 1112110221214.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4121220112111 - 2³ = 4121220112103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4121226112111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2060610056055 + 2060610056056.

It is an arithmetic number, because the mean of its divisors is an integer number (2060610056056).

Almost surely, 2^{4121220112111} is an apocalyptic number.

4121220112111 is a deficient number, since it is larger than the sum of its proper divisors (1).

4121220112111 is an equidigital number, since it uses as much as digits as its factorization.

4121220112111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 4121220112111 its reverse (1112110221214), we get a palindrome (5233330333325).

The spelling of 4121220112111 in words is "four trillion, one hundred twenty-one billion, two hundred twenty million, one hundred twelve thousand, one hundred eleven".