10021002243 has 16 divisors (see below), whose sum is σ = 15314115840. Its totient is φ = 5709780576.

The previous prime is 10021002241. The next prime is 10021002269. The reversal of 10021002243 is 34220012001.

It is not a de Polignac number, because 10021002243 - 2¹ = 10021002241 is a prime.

It is a super-2 number, since 2×10021002243² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10021002241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 680308 + ... + 694881.

It is an arithmetic number, because the mean of its divisors is an integer number (957132240).

Almost surely, 2^10021002243 is an apocalyptic number.

10021002243 is a deficient number, since it is larger than the sum of its proper divisors (5293113597).

10021002243 is a wasteful number, since it uses less digits than its factorization.

10021002243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375546.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 10021002243 its reverse (34220012001), we get a palindrome (44241014244).

The spelling of 10021002243 in words is "ten billion, twenty-one million, two thousand, two hundred forty-three".