10001221301 has 4 divisors (see below), whose sum is σ = 10001423232. Its totient is φ = 10001019372.

The previous prime is 10001221291. The next prime is 10001221303. The reversal of 10001221301 is 10312210001.

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.

It is a cyclic number.

It is not a de Polignac number, because 10001221301 - 2²² = 9997026997 is a prime.

It is a super-2 number, since 2×10001221301² (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 (10001221303) 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, 29660 + ... + 144506.

It is an arithmetic number, because the mean of its divisors is an integer number (2500355808).

Almost surely, 2^10001221301 is an apocalyptic number.

It is an amenable number.

10001221301 is a deficient number, since it is larger than the sum of its proper divisors (201931).

10001221301 is an equidigital number, since it uses as much as digits as its factorization.

10001221301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201930.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 10001221301 its reverse (10312210001), we get a palindrome (20313431302).

The spelling of 10001221301 in words is "ten billion, one million, two hundred twenty-one thousand, three hundred one".