110121001 has 4 divisors (see below), whose sum is σ = 110142592. Its totient is φ = 110099412.

The previous prime is 110120977. The next prime is 110121031. The reversal of 110121001 is 100121011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 110121001 - 2⁹ = 110120489 is a prime.

It is a super-2 number, since 2×110121001² = 24253269722484002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110121031) 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, 1600 + ... + 14926.

It is an arithmetic number, because the mean of its divisors is an integer number (27535648).

Almost surely, 2^110121001 is an apocalyptic number.

It is an amenable number.

110121001 is a deficient number, since it is larger than the sum of its proper divisors (21591).

110121001 is an equidigital number, since it uses as much as digits as its factorization.

110121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21590.

The product of its (nonzero) digits is 2, while the sum is 7.

The square root of 110121001 is about 10493.8553925619. The cubic root of 110121001 is about 479.3176081733.

Adding to 110121001 its reverse (100121011), we get a palindrome (210242012).

The spelling of 110121001 in words is "one hundred ten million, one hundred twenty-one thousand, one".