10212021223 has 2 divisors, whose sum is σ = 10212021224. Its totient is φ = 10212021222.

The previous prime is 10212021217. The next prime is 10212021251. The reversal of 10212021223 is 32212021201.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (32212021201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10212021223 - 2⁹ = 10212020711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10212021197 and 10212021206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10212024223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106010611 + 5106010612.

It is an arithmetic number, because the mean of its divisors is an integer number (5106010612).

Almost surely, 2^10212021223 is an apocalyptic number.

10212021223 is a deficient number, since it is larger than the sum of its proper divisors (1).

10212021223 is an equidigital number, since it uses as much as digits as its factorization.

10212021223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 10212021223 its reverse (32212021201), we get a palindrome (42424042424).

The spelling of 10212021223 in words is "ten billion, two hundred twelve million, twenty-one thousand, two hundred twenty-three".