120110010016021 has 2 divisors, whose sum is σ = 120110010016022. Its totient is φ = 120110010016020.

The previous prime is 120110010015973. The next prime is 120110010016037. The reversal of 120110010016021 is 120610010011021.

It is an a-pointer prime, because the next prime (120110010016037) can be obtained adding 120110010016021 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102544179488100 + 17565830527921 = 10126410^2 + 4191161^2 .

It is a cyclic number.

It is not a de Polignac number, because 120110010016021 - 2¹⁵ = 120110009983253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120110010015986 and 120110010016004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120110014016021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60055005008010 + 60055005008011.

It is an arithmetic number, because the mean of its divisors is an integer number (60055005008011).

Almost surely, 2^{120110010016021} is an apocalyptic number.

It is an amenable number.

120110010016021 is a deficient number, since it is larger than the sum of its proper divisors (1).

120110010016021 is an equidigital number, since it uses as much as digits as its factorization.

120110010016021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 120110010016021 its reverse (120610010011021), we get a palindrome (240720020027042).

The spelling of 120110010016021 in words is "one hundred twenty trillion, one hundred ten billion, ten million, sixteen thousand, twenty-one".