10221011503 has 2 divisors, whose sum is σ = 10221011504. Its totient is φ = 10221011502.

The previous prime is 10221011453. The next prime is 10221011513. The reversal of 10221011503 is 30511012201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10221011503 is a prime.

It is a super-3 number, since 3×10221011503³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10221011513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110505751 + 5110505752.

It is an arithmetic number, because the mean of its divisors is an integer number (5110505752).

Almost surely, 2^10221011503 is an apocalyptic number.

10221011503 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221011503 is an equidigital number, since it uses as much as digits as its factorization.

10221011503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 16.

Adding to 10221011503 its reverse (30511012201), we get a palindrome (40732023704).

The spelling of 10221011503 in words is "ten billion, two hundred twenty-one million, eleven thousand, five hundred three".