110040210121 has 4 divisors (see below), whose sum is σ = 113014269892. Its totient is φ = 107066150352.

The previous prime is 110040210109. The next prime is 110040210127. The reversal of 110040210121 is 121012040011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121012040011 = 41 ⋅2951513171.

It can be written as a sum of positive squares in 2 ways, for example, as 46412670096 + 63627540025 = 215436^2 + 252245^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110040210121 is a prime.

It is a super-3 number, since 3×110040210121³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110040210127) 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, 1487029830 + ... + 1487029903.

It is an arithmetic number, because the mean of its divisors is an integer number (28253567473).

Almost surely, 2^110040210121 is an apocalyptic number.

It is an amenable number.

110040210121 is a deficient number, since it is larger than the sum of its proper divisors (2974059771).

110040210121 is an equidigital number, since it uses as much as digits as its factorization.

110040210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2974059770.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 110040210121 its reverse (121012040011), we get a palindrome (231052250132).

The spelling of 110040210121 in words is "one hundred ten billion, forty million, two hundred ten thousand, one hundred twenty-one".