20102100022201 has 2 divisors, whose sum is σ = 20102100022202. Its totient is φ = 20102100022200.

The previous prime is 20102100022159. The next prime is 20102100022259. The reversal of 20102100022201 is 10222000120102.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13336373610000 + 6765726412201 = 3651900^2 + 2601101^2 .

It is a cyclic number.

It is not a de Polignac number, because 20102100022201 - 2⁷ = 20102100022073 is a prime.

It is not a weakly prime, because it can be changed into another prime (20102100022261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10051050011100 + 10051050011101.

It is an arithmetic number, because the mean of its divisors is an integer number (10051050011101).

Almost surely, 2^{20102100022201} is an apocalyptic number.

It is an amenable number.

20102100022201 is a deficient number, since it is larger than the sum of its proper divisors (1).

20102100022201 is an equidigital number, since it uses as much as digits as its factorization.

20102100022201 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 13.

Adding to 20102100022201 its reverse (10222000120102), we get a palindrome (30324100142303).

The spelling of 20102100022201 in words is "twenty trillion, one hundred two billion, one hundred million, twenty-two thousand, two hundred one".