110020211000221 has 4 divisors (see below), whose sum is σ = 110198525767452. Its totient is φ = 109841896232992.

The previous prime is 110020211000201. The next prime is 110020211000261. The reversal of 110020211000221 is 122000112020011.

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 14645240148100 + 95374970852121 = 3826910^2 + 9766011^2 .

It is a cyclic number.

It is not a de Polignac number, because 110020211000221 - 2⁷ = 110020211000093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110020211000201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89157382690 + ... + 89157383923.

It is an arithmetic number, because the mean of its divisors is an integer number (27549631441863).

Almost surely, 2^{110020211000221} is an apocalyptic number.

It is an amenable number.

110020211000221 is a deficient number, since it is larger than the sum of its proper divisors (178314767231).

110020211000221 is an equidigital number, since it uses as much as digits as its factorization.

110020211000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178314767230.

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

Adding to 110020211000221 its reverse (122000112020011), we get a palindrome (232020323020232).

The spelling of 110020211000221 in words is "one hundred ten trillion, twenty billion, two hundred eleven million, two hundred twenty-one", and thus it is an aban number.