10001000221213 has 4 divisors (see below), whose sum is σ = 10001008231488. Its totient is φ = 10000992210940.

The previous prime is 10001000221207. The next prime is 10001000221217. The reversal of 10001000221213 is 31212200010001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10001000221213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10001000221193 and 10001000221202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001000221217) 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, 1683931 + ... + 4778872.

It is an arithmetic number, because the mean of its divisors is an integer number (2500252057872).

Almost surely, 2^{10001000221213} is an apocalyptic number.

It is an amenable number.

10001000221213 is a deficient number, since it is larger than the sum of its proper divisors (8010275).

10001000221213 is an equidigital number, since it uses as much as digits as its factorization.

10001000221213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8010274.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 10001000221213 its reverse (31212200010001), we get a palindrome (41213200231214).

The spelling of 10001000221213 in words is "ten trillion, one billion, two hundred twenty-one thousand, two hundred thirteen".