110212011121 has 4 divisors (see below), whose sum is σ = 111721764772. Its totient is φ = 108702257472.

The previous prime is 110212011113. The next prime is 110212011167. The reversal of 110212011121 is 121110212011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121110212011 = 89 ⋅1360788899.

It can be written as a sum of positive squares in 2 ways, for example, as 27129713521 + 83082297600 = 164711^2 + 288240^2 .

It is a cyclic number.

It is not a de Polignac number, because 110212011121 - 2³ = 110212011113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110212011181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 754876716 + ... + 754876861.

It is an arithmetic number, because the mean of its divisors is an integer number (27930441193).

Almost surely, 2^110212011121 is an apocalyptic number.

It is an amenable number.

110212011121 is a deficient number, since it is larger than the sum of its proper divisors (1509753651).

110212011121 is an equidigital number, since it uses as much as digits as its factorization.

110212011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509753650.

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

Adding to 110212011121 its reverse (121110212011), we get a palindrome (231322223132).

It can be divided in two parts, 110212011 and 121, that multiplied together give a palindrome (13335653331).

The spelling of 110212011121 in words is "one hundred ten billion, two hundred twelve million, eleven thousand, one hundred twenty-one".