110503020121 has 8 divisors (see below), whose sum is σ = 120230091464. Its totient is φ = 100951211520.

The previous prime is 110503020119. The next prime is 110503020161. The reversal of 110503020121 is 121020305011.

It can be written as a sum of positive squares in 4 ways, for example, as 358685721 + 110144334400 = 18939^2 + 331880^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 110503020121 - 2¹ = 110503020119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110503020095 and 110503020104.

It is not an unprimeable number, because it can be changed into a prime (110503020161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43814370 + ... + 43816891.

It is an arithmetic number, because the mean of its divisors is an integer number (15028761433).

Almost surely, 2^110503020121 is an apocalyptic number.

It is an amenable number.

110503020121 is a deficient number, since it is larger than the sum of its proper divisors (9727071343).

110503020121 is an equidigital number, since it uses as much as digits as its factorization.

110503020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87631371.

The product of its (nonzero) digits is 60, while the sum is 16.

Adding to 110503020121 its reverse (121020305011), we get a palindrome (231523325132).

The spelling of 110503020121 in words is "one hundred ten billion, five hundred three million, twenty thousand, one hundred twenty-one".