10021042231 has 4 divisors (see below), whose sum is σ = 10093136200. Its totient is φ = 9948948264.

The previous prime is 10021042217. The next prime is 10021042243. The reversal of 10021042231 is 13224012001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13224012001 = 3169 ⋅4172929.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10021042231 is a prime.

It is a super-2 number, since 2×10021042231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021042831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36046776 + ... + 36047053.

It is an arithmetic number, because the mean of its divisors is an integer number (2523284050).

Almost surely, 2^10021042231 is an apocalyptic number.

10021042231 is a deficient number, since it is larger than the sum of its proper divisors (72093969).

10021042231 is an equidigital number, since it uses as much as digits as its factorization.

10021042231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72093968.

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

Adding to 10021042231 its reverse (13224012001), we get a palindrome (23245054232).

The spelling of 10021042231 in words is "ten billion, twenty-one million, forty-two thousand, two hundred thirty-one".