110020121211001 has 4 divisors (see below), whose sum is σ = 110046460722292. Its totient is φ = 109993781699712.

The previous prime is 110020121210983. The next prime is 110020121211041. The reversal of 110020121211001 is 100112121020011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 104912882804601 + 5107238406400 = 10242699^2 + 2259920^2 .

It is a cyclic number.

It is not a de Polignac number, because 110020121211001 - 2⁷ = 110020121210873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110020121211041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13169749380 + ... + 13169757733.

It is an arithmetic number, because the mean of its divisors is an integer number (27511615180573).

Almost surely, 2^{110020121211001} is an apocalyptic number.

It is an amenable number.

110020121211001 is a deficient number, since it is larger than the sum of its proper divisors (26339511291).

110020121211001 is an equidigital number, since it uses as much as digits as its factorization.

110020121211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26339511290.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 110020121211001 its reverse (100112121020011), we get a palindrome (210132242231012).

The spelling of 110020121211001 in words is "one hundred ten trillion, twenty billion, one hundred twenty-one million, two hundred eleven thousand, one".