10001220003101 has 4 divisors (see below), whose sum is σ = 10001230882272. Its totient is φ = 10001209123932.

The previous prime is 10001220003043. The next prime is 10001220003121. The reversal of 10001220003101 is 10130002210001.

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 not a de Polignac number, because 10001220003101 - 2³⁴ = 9984040133917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001220003121) 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, 3918935 + ... + 5946468.

It is an arithmetic number, because the mean of its divisors is an integer number (2500307720568).

Almost surely, 2^{10001220003101} is an apocalyptic number.

It is an amenable number.

10001220003101 is a deficient number, since it is larger than the sum of its proper divisors (10879171).

10001220003101 is an equidigital number, since it uses as much as digits as its factorization.

10001220003101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10879170.

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

Adding to 10001220003101 its reverse (10130002210001), we get a palindrome (20131222213102).

The spelling of 10001220003101 in words is "ten trillion, one billion, two hundred twenty million, three thousand, one hundred one".