2100020227 has 2 divisors, whose sum is σ = 2100020228. Its totient is φ = 2100020226.

The previous prime is 2100020189. The next prime is 2100020243. The reversal of 2100020227 is 7220200012.

It is an a-pointer prime, because the next prime (2100020243) can be obtained adding 2100020227 to its sum of digits (16).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2100020227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2100020227.

It is not a weakly prime, because it can be changed into another prime (2100020327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050010113 + 1050010114.

It is an arithmetic number, because the mean of its divisors is an integer number (1050010114).

Almost surely, 2^2100020227 is an apocalyptic number.

2100020227 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100020227 is an equidigital number, since it uses as much as digits as its factorization.

2100020227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 2100020227 is about 45825.9776436903. The cubic root of 2100020227 is about 1280.5832764465.

Adding to 2100020227 its reverse (7220200012), we get a palindrome (9320220239).

The spelling of 2100020227 in words is "two billion, one hundred million, twenty thousand, two hundred twenty-seven".