10000023012221 has 16 divisors (see below), whose sum is σ = 11750632685568. Its totient is φ = 8415166623600.

The previous prime is 10000023012173. The next prime is 10000023012247. The reversal of 10000023012221 is 12221032000001.

It is a happy number.

It is not a de Polignac number, because 10000023012221 - 2³⁰ = 9998949270397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10000023012196 and 10000023012205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10000023015221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 637504781 + ... + 637520466.

It is an arithmetic number, because the mean of its divisors is an integer number (734414542848).

Almost surely, 2^{10000023012221} is an apocalyptic number.

10000023012221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10000023012221 is a deficient number, since it is larger than the sum of its proper divisors (1750609673347).

10000023012221 is a wasteful number, since it uses less digits than its factorization.

10000023012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275025312.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 10000023012221 its reverse (12221032000001), we get a palindrome (22221055012222).

The spelling of 10000023012221 in words is "ten trillion, twenty-three million, twelve thousand, two hundred twenty-one".