110101002002021 has 2 divisors, whose sum is σ = 110101002002022. Its totient is φ = 110101002002020.

The previous prime is 110101002001987. The next prime is 110101002002041. The reversal of 110101002002021 is 120200200101011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107997301230625 + 2103700771396 = 10392175^2 + 1450414^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110101002002021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110101002001993 and 110101002002011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110101002002041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55050501001010 + 55050501001011.

It is an arithmetic number, because the mean of its divisors is an integer number (55050501001011).

Almost surely, 2^{110101002002021} is an apocalyptic number.

It is an amenable number.

110101002002021 is a deficient number, since it is larger than the sum of its proper divisors (1).

110101002002021 is an equidigital number, since it uses as much as digits as its factorization.

110101002002021 is an evil number, because the sum of its binary digits is even.

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

Adding to 110101002002021 its reverse (120200200101011), we get a palindrome (230301202103032).

The spelling of 110101002002021 in words is "one hundred ten trillion, one hundred one billion, two million, two thousand, twenty-one".