110221101021 has 8 divisors (see below), whose sum is σ = 147620488960. Its totient is φ = 73151223552.

The previous prime is 110221101019. The next prime is 110221101037. The reversal of 110221101021 is 120101122011.

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

It is not a de Polignac number, because 110221101021 - 2¹ = 110221101019 is a prime.

It is a super-2 number, since 2×110221101021² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110221100988 and 110221101006.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 82376836 + ... + 82378173.

It is an arithmetic number, because the mean of its divisors is an integer number (18452561120).

Almost surely, 2^110221101021 is an apocalyptic number.

It is an amenable number.

110221101021 is a deficient number, since it is larger than the sum of its proper divisors (37399387939).

110221101021 is a wasteful number, since it uses less digits than its factorization.

110221101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164755235.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 110221101021 its reverse (120101122011), we get a palindrome (230322223032).

The spelling of 110221101021 in words is "one hundred ten billion, two hundred twenty-one million, one hundred one thousand, twenty-one".