110221020001021 has 4 divisors (see below), whose sum is σ = 110221043515200. Its totient is φ = 110220996486844.

The previous prime is 110221020000989. The next prime is 110221020001049. The reversal of 110221020001021 is 120100020122011.

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.

It is a cyclic number.

It is not a de Polignac number, because 110221020001021 - 2⁵ = 110221020000989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110221020000992 and 110221020001010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110221020001921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2059861 + ... + 14989498.

It is an arithmetic number, because the mean of its divisors is an integer number (27555260878800).

Almost surely, 2^{110221020001021} is an apocalyptic number.

It is an amenable number.

110221020001021 is a deficient number, since it is larger than the sum of its proper divisors (23514179).

110221020001021 is an equidigital number, since it uses as much as digits as its factorization.

110221020001021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23514178.

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

Adding to 110221020001021 its reverse (120100020122011), we get a palindrome (230321040123032).

The spelling of 110221020001021 in words is "one hundred ten trillion, two hundred twenty-one billion, twenty million, one thousand, twenty-one".