110220021021001 has 4 divisors (see below), whose sum is σ = 110220045119892. Its totient is φ = 110219996922112.

The previous prime is 110220021020999. The next prime is 110220021021007. The reversal of 110220021021001 is 100120120022011.

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 47870125542976 + 62349895478025 = 6918824^2 + 7896195^2 .

It is a cyclic number.

It is not a de Polignac number, because 110220021021001 - 2¹ = 110220021020999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110220021021007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2845480 + ... + 15117433.

It is an arithmetic number, because the mean of its divisors is an integer number (27555011279973).

Almost surely, 2^{110220021021001} is an apocalyptic number.

It is an amenable number.

110220021021001 is a deficient number, since it is larger than the sum of its proper divisors (24098891).

110220021021001 is an equidigital number, since it uses as much as digits as its factorization.

110220021021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24098890.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 110220021021001 its reverse (100120120022011), we get a palindrome (210340141043012).

The spelling of 110220021021001 in words is "one hundred ten trillion, two hundred twenty billion, twenty-one million, twenty-one thousand, one".