110202231121 has 4 divisors (see below), whose sum is σ = 110205256372. Its totient is φ = 110199205872.

The previous prime is 110202231109. The next prime is 110202231131. The reversal of 110202231121 is 121132202011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121132202011 = 457 ⋅265059523.

It can be written as a sum of positive squares in 2 ways, for example, as 55383032896 + 54819198225 = 235336^2 + 234135^2 .

It is a cyclic number.

It is not a de Polignac number, because 110202231121 - 2²⁹ = 109665360209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110202231095 and 110202231104.

It is not an unprimeable number, because it can be changed into a prime (110202231101) 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, 1457310 + ... + 1531063.

It is an arithmetic number, because the mean of its divisors is an integer number (27551314093).

Almost surely, 2^110202231121 is an apocalyptic number.

It is an amenable number.

110202231121 is a deficient number, since it is larger than the sum of its proper divisors (3025251).

110202231121 is an equidigital number, since it uses as much as digits as its factorization.

110202231121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3025250.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 110202231121 its reverse (121132202011), we get a palindrome (231334433132).

The spelling of 110202231121 in words is "one hundred ten billion, two hundred two million, two hundred thirty-one thousand, one hundred twenty-one".