110000121001 has 4 divisors (see below), whose sum is σ = 116470716372. Its totient is φ = 103529525632.

The previous prime is 110000120987. The next prime is 110000121013. The reversal of 110000121001 is 100121000011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100121000011 = 23 ⋅4353086957.

It can be written as a sum of positive squares in 2 ways, for example, as 35315429776 + 74684691225 = 187924^2 + 273285^2 .

It is not a de Polignac number, because 110000121001 - 2¹¹ = 110000118953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110000121041) 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, 3235297660 + ... + 3235297693.

It is an arithmetic number, because the mean of its divisors is an integer number (29117679093).

Almost surely, 2^110000121001 is an apocalyptic number.

It is an amenable number.

110000121001 is a deficient number, since it is larger than the sum of its proper divisors (6470595371).

110000121001 is an equidigital number, since it uses as much as digits as its factorization.

110000121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6470595370.

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

Adding to 110000121001 its reverse (100121000011), we get a palindrome (210121121012).

The spelling of 110000121001 in words is "one hundred ten billion, one hundred twenty-one thousand, one".