110021014021 has 2 divisors, whose sum is σ = 110021014022. Its totient is φ = 110021014020.

The previous prime is 110021014007. The next prime is 110021014043. The reversal of 110021014021 is 120410120011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63672952225 + 46348061796 = 252335^2 + 215286^2 .

It is an emirp because it is prime and its reverse (120410120011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 110021014021 - 2¹¹ = 110021011973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110021013992 and 110021014010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110021414021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55010507010 + 55010507011.

It is an arithmetic number, because the mean of its divisors is an integer number (55010507011).

Almost surely, 2^110021014021 is an apocalyptic number.

It is an amenable number.

110021014021 is a deficient number, since it is larger than the sum of its proper divisors (1).

110021014021 is an equidigital number, since it uses as much as digits as its factorization.

110021014021 is an evil number, because the sum of its binary digits is even.

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

Adding to 110021014021 its reverse (120410120011), we get a palindrome (230431134032).

The spelling of 110021014021 in words is "one hundred ten billion, twenty-one million, fourteen thousand, twenty-one".