2101210020227 has 2 divisors, whose sum is σ = 2101210020228. Its totient is φ = 2101210020226.

The previous prime is 2101210020209. The next prime is 2101210020229. The reversal of 2101210020227 is 7220200121012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2101210020227 - 2⁶ = 2101210020163 is a prime.

Together with 2101210020229, 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 = 2101210020199 and 2101210020208.

It is not a weakly prime, because it can be changed into another prime (2101210020229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050605010113 + 1050605010114.

It is an arithmetic number, because the mean of its divisors is an integer number (1050605010114).

Almost surely, 2^{2101210020227} is an apocalyptic number.

2101210020227 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101210020227 is an equidigital number, since it uses as much as digits as its factorization.

2101210020227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 2101210020227 its reverse (7220200121012), we get a palindrome (9321410141239).

The spelling of 2101210020227 in words is "two trillion, one hundred one billion, two hundred ten million, twenty thousand, two hundred twenty-seven".