110000022001 has 4 divisors (see below), whose sum is σ = 110000739904. Its totient is φ = 109999304100.

The previous prime is 110000021987. The next prime is 110000022007. The reversal of 110000022001 is 100220000011.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 100220000011 = 6761 ⋅14823251.

It is a cyclic number.

It is not a de Polignac number, because 110000022001 - 2⁹ = 110000021489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110000022007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26445 + ... + 469786.

It is an arithmetic number, because the mean of its divisors is an integer number (27500184976).

Almost surely, 2^110000022001 is an apocalyptic number.

It is an amenable number.

110000022001 is a deficient number, since it is larger than the sum of its proper divisors (717903).

110000022001 is an equidigital number, since it uses as much as digits as its factorization.

110000022001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717902.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 110000022001 its reverse (100220000011), we get a palindrome (210220022012).

The spelling of 110000022001 in words is "one hundred ten billion, twenty-two thousand, one".