110221021001 has 8 divisors (see below), whose sum is σ = 135656641344. Its totient is φ = 87207840720.

The previous prime is 110221020979. The next prime is 110221021013. The reversal of 110221021001 is 100120122011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 110221021001 - 2¹⁰ = 110221019977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (110221021021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 605609915 + ... + 605610096.

It is an arithmetic number, because the mean of its divisors is an integer number (16957080168).

Almost surely, 2^110221021001 is an apocalyptic number.

It is an amenable number.

110221021001 is a deficient number, since it is larger than the sum of its proper divisors (25435620343).

110221021001 is a wasteful number, since it uses less digits than its factorization.

110221021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211220031.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 110221021001 its reverse (100120122011), we get a palindrome (210341143012).

It can be divided in two parts, 1102210 and 21001, that added together give a palindrome (1123211).

The spelling of 110221021001 in words is "one hundred ten billion, two hundred twenty-one million, twenty-one thousand, one".