110021210202173 has 2 divisors, whose sum is σ = 110021210202174. Its totient is φ = 110021210202172.

The previous prime is 110021210202121. The next prime is 110021210202221. The reversal of 110021210202173 is 371202012120011.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90839236645444 + 19181973556729 = 9530962^2 + 4379723^2 .

It is a cyclic number.

It is not a de Polignac number, because 110021210202173 - 2¹⁶ = 110021210136637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110021210292173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55010605101086 + 55010605101087.

It is an arithmetic number, because the mean of its divisors is an integer number (55010605101087).

Almost surely, 2^{110021210202173} is an apocalyptic number.

It is an amenable number.

110021210202173 is a deficient number, since it is larger than the sum of its proper divisors (1).

110021210202173 is an equidigital number, since it uses as much as digits as its factorization.

110021210202173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 23.

Adding to 110021210202173 its reverse (371202012120011), we get a palindrome (481223222322184).

The spelling of 110021210202173 in words is "one hundred ten trillion, twenty-one billion, two hundred ten million, two hundred two thousand, one hundred seventy-three".