110012102021 has 2 divisors, whose sum is σ = 110012102022. Its totient is φ = 110012102020.

The previous prime is 110012101981. The next prime is 110012102029. The reversal of 110012102021 is 120201210011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59591644996 + 50420457025 = 244114^2 + 224545^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110012102021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110012101993 and 110012102011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110012102029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55006051010 + 55006051011.

It is an arithmetic number, because the mean of its divisors is an integer number (55006051011).

Almost surely, 2^110012102021 is an apocalyptic number.

It is an amenable number.

110012102021 is a deficient number, since it is larger than the sum of its proper divisors (1).

110012102021 is an equidigital number, since it uses as much as digits as its factorization.

110012102021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 110012102021 its reverse (120201210011), we get a palindrome (230213312032).

The spelling of 110012102021 in words is "one hundred ten billion, twelve million, one hundred two thousand, twenty-one".