20102222201 has 2 divisors, whose sum is σ = 20102222202. Its totient is φ = 20102222200.

The previous prime is 20102222191. The next prime is 20102222209. The reversal of 20102222201 is 10222220102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19837314025 + 264908176 = 140845^2 + 16276^2 .

It is a cyclic number.

It is not a de Polignac number, because 20102222201 - 2¹⁸ = 20101960057 is a prime.

It is not a weakly prime, because it can be changed into another prime (20102222209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10051111100 + 10051111101.

It is an arithmetic number, because the mean of its divisors is an integer number (10051111101).

Almost surely, 2^20102222201 is an apocalyptic number.

It is an amenable number.

20102222201 is a deficient number, since it is larger than the sum of its proper divisors (1).

20102222201 is an equidigital number, since it uses as much as digits as its factorization.

20102222201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20102222201 its reverse (10222220102), we get a palindrome (30324442303).

The spelling of 20102222201 in words is "twenty billion, one hundred two million, two hundred twenty-two thousand, two hundred one".