10221052005 has 48 divisors (see below), whose sum is σ = 18561114624. Its totient is φ = 5196597120.

The previous prime is 10221051979. The next prime is 10221052043. The reversal of 10221052005 is 50025012201.

It is not a de Polignac number, because 10221052005 - 2¹¹ = 10221049957 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38787 + ... + 148143.

It is an arithmetic number, because the mean of its divisors is an integer number (386689888).

Almost surely, 2^10221052005 is an apocalyptic number.

10221052005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10221052005 is a deficient number, since it is larger than the sum of its proper divisors (8340062619).

10221052005 is a wasteful number, since it uses less digits than its factorization.

10221052005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109466 (or 109463 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

Adding to 10221052005 its reverse (50025012201), we get a palindrome (60246064206).

The spelling of 10221052005 in words is "ten billion, two hundred twenty-one million, fifty-two thousand, five".