110102020022021 has 2 divisors, whose sum is σ = 110102020022022. Its totient is φ = 110102020022020.

The previous prime is 110102020021909. The next prime is 110102020022023. The reversal of 110102020022021 is 120220020201011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61944943401121 + 48157076620900 = 7870511^2 + 6939530^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110102020022021 is a prime.

Together with 110102020022023, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 110102020021987 and 110102020022005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110102020022023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55051010011010 + 55051010011011.

It is an arithmetic number, because the mean of its divisors is an integer number (55051010011011).

Almost surely, 2^{110102020022021} is an apocalyptic number.

It is an amenable number.

110102020022021 is a deficient number, since it is larger than the sum of its proper divisors (1).

110102020022021 is an equidigital number, since it uses as much as digits as its factorization.

110102020022021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 110102020022021 its reverse (120220020201011), we get a palindrome (230322040223032).

The spelling of 110102020022021 in words is "one hundred ten trillion, one hundred two billion, twenty million, twenty-two thousand, twenty-one".