110221101001 has 16 divisors (see below), whose sum is σ = 126603509760. Its totient is φ = 94901896080.

The previous prime is 110221100959. The next prime is 110221101019. The reversal of 110221101001 is 100101122011.

It is a cyclic number.

It is not a de Polignac number, because 110221101001 - 2⁹ = 110221100489 is a prime.

It is a super-2 number, since 2×110221101001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110221101071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 735480 + ... + 872566.

It is an arithmetic number, because the mean of its divisors is an integer number (7912719360).

Almost surely, 2^110221101001 is an apocalyptic number.

110221101001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

110221101001 is a deficient number, since it is larger than the sum of its proper divisors (16382408759).

110221101001 is a wasteful number, since it uses less digits than its factorization.

110221101001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140964.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 110221101001 its reverse (100101122011), we get a palindrome (210322223012).

The spelling of 110221101001 in words is "one hundred ten billion, two hundred twenty-one million, one hundred one thousand, one".