10211220012101 has 4 divisors (see below), whose sum is σ = 10216112788512. Its totient is φ = 10206327235692.

The previous prime is 10211220012083. The next prime is 10211220012137. The reversal of 10211220012101 is 10121002211201.

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 10211220012101 - 2¹⁰ = 10211220011077 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 (10211225012101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2446385075 + ... + 2446389248.

It is an arithmetic number, because the mean of its divisors is an integer number (2554028197128).

Almost surely, 2^{10211220012101} is an apocalyptic number.

It is an amenable number.

10211220012101 is a deficient number, since it is larger than the sum of its proper divisors (4892776411).

10211220012101 is an equidigital number, since it uses as much as digits as its factorization.

10211220012101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4892776410.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10211220012101 its reverse (10121002211201), we get a palindrome (20332222223302).

The spelling of 10211220012101 in words is "ten trillion, two hundred eleven billion, two hundred twenty million, twelve thousand, one hundred one".