110221029109 has 2 divisors, whose sum is σ = 110221029110. Its totient is φ = 110221029108.

The previous prime is 110221029101. The next prime is 110221029151. The reversal of 110221029109 is 901920122011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82726414884 + 27494614225 = 287622^2 + 165815^2 .

It is a cyclic number.

It is not a de Polignac number, because 110221029109 - 2³ = 110221029101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110221029101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55110514554 + 55110514555.

It is an arithmetic number, because the mean of its divisors is an integer number (55110514555).

Almost surely, 2^110221029109 is an apocalyptic number.

It is an amenable number.

110221029109 is a deficient number, since it is larger than the sum of its proper divisors (1).

110221029109 is an equidigital number, since it uses as much as digits as its factorization.

110221029109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 28.

The spelling of 110221029109 in words is "one hundred ten billion, two hundred twenty-one million, twenty-nine thousand, one hundred nine".