20101000223 has 2 divisors, whose sum is σ = 20101000224. Its totient is φ = 20101000222.

The previous prime is 20101000207. The next prime is 20101000229. The reversal of 20101000223 is 32200010102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20101000223 - 2⁴ = 20101000207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20101000229) 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, 10050500111 + 10050500112.

It is an arithmetic number, because the mean of its divisors is an integer number (10050500112).

Almost surely, 2^20101000223 is an apocalyptic number.

20101000223 is a deficient number, since it is larger than the sum of its proper divisors (1).

20101000223 is an equidigital number, since it uses as much as digits as its factorization.

20101000223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 20101000223 its reverse (32200010102), we get a palindrome (52301010325).

The spelling of 20101000223 in words is "twenty billion, one hundred one million, two hundred twenty-three", and thus it is an aban number.