110121120511 has 2 divisors, whose sum is σ = 110121120512. Its totient is φ = 110121120510.

The previous prime is 110121120509. The next prime is 110121120533. The reversal of 110121120511 is 115021121011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 110121120511 - 2¹ = 110121120509 is a prime.

It is a super-2 number, since 2×110121120511² (a number of 23 digits) contains 22 as substring.

Together with 110121120509, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110121121511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55060560255 + 55060560256.

It is an arithmetic number, because the mean of its divisors is an integer number (55060560256).

Almost surely, 2^110121120511 is an apocalyptic number.

110121120511 is a deficient number, since it is larger than the sum of its proper divisors (1).

110121120511 is an equidigital number, since it uses as much as digits as its factorization.

110121120511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20, while the sum is 16.

Adding to 110121120511 its reverse (115021121011), we get a palindrome (225142241522).

The spelling of 110121120511 in words is "one hundred ten billion, one hundred twenty-one million, one hundred twenty thousand, five hundred eleven".