110403121001 has 12 divisors (see below), whose sum is σ = 118216993200. Its totient is φ = 102819615768.

The previous prime is 110403120991. The next prime is 110403121007. The reversal of 110403121001 is 100121304011.

It is not a de Polignac number, because 110403121001 - 2²² = 110398926697 is a prime.

It is a super-2 number, since 2×110403121001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110403121007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 768491 + ... + 900768.

It is an arithmetic number, because the mean of its divisors is an integer number (9851416100).

Almost surely, 2^110403121001 is an apocalyptic number.

It is an amenable number.

110403121001 is a deficient number, since it is larger than the sum of its proper divisors (7813872199).

110403121001 is an equidigital number, since it uses as much as digits as its factorization.

110403121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669396 (or 1669337 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 110403121001 its reverse (100121304011), we get a palindrome (210524425012).

The spelling of 110403121001 in words is "one hundred ten billion, four hundred three million, one hundred twenty-one thousand, one".