10221012071 has 2 divisors, whose sum is σ = 10221012072. Its totient is φ = 10221012070.

The previous prime is 10221012049. The next prime is 10221012089. The reversal of 10221012071 is 17021012201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10221012071 is a prime.

It is a super-3 number, since 3×10221012071³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10221012031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110506035 + 5110506036.

It is an arithmetic number, because the mean of its divisors is an integer number (5110506036).

Almost surely, 2^10221012071 is an apocalyptic number.

10221012071 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221012071 is an equidigital number, since it uses as much as digits as its factorization.

10221012071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 17.

Adding to 10221012071 its reverse (17021012201), we get a palindrome (27242024272).

The spelling of 10221012071 in words is "ten billion, two hundred twenty-one million, twelve thousand, seventy-one".