110101120000021 has 2 divisors, whose sum is σ = 110101120000022. Its totient is φ = 110101120000020.

The previous prime is 110101120000009. The next prime is 110101120000033. The reversal of 110101120000021 is 120000021101011.

It is a balanced prime because it is at equal distance from previous prime (110101120000009) and next prime (110101120000033).

It can be written as a sum of positive squares in only one way, i.e., 103658584613796 + 6442535386225 = 10181286^2 + 2538215^2 .

It is a cyclic number.

It is not a de Polignac number, because 110101120000021 - 2⁹ = 110101119999509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110101119999962 and 110101120000007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110101120000051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55050560000010 + 55050560000011.

It is an arithmetic number, because the mean of its divisors is an integer number (55050560000011).

Almost surely, 2^{110101120000021} is an apocalyptic number.

It is an amenable number.

110101120000021 is a deficient number, since it is larger than the sum of its proper divisors (1).

110101120000021 is an equidigital number, since it uses as much as digits as its factorization.

110101120000021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 110101120000021 its reverse (120000021101011), we get a palindrome (230101141101032).

The spelling of 110101120000021 in words is "one hundred ten trillion, one hundred one billion, one hundred twenty million, twenty-one", and thus it is an aban number.