101001012220001 has 4 divisors (see below), whose sum is σ = 101001825956400. Its totient is φ = 101000198483604.

The previous prime is 101001012219893. The next prime is 101001012220033. The reversal of 101001012220001 is 100022210100101.

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 a de Polignac number, because none of the positive numbers 2^k-101001012220001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101001012220051) 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, 406681991 + ... + 406930268.

It is an arithmetic number, because the mean of its divisors is an integer number (25250456489100).

Almost surely, 2^{101001012220001} is an apocalyptic number.

It is an amenable number.

101001012220001 is a deficient number, since it is larger than the sum of its proper divisors (813736399).

101001012220001 is an equidigital number, since it uses as much as digits as its factorization.

101001012220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813736398.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 101001012220001 its reverse (100022210100101), we get a palindrome (201023222320102).

The spelling of 101001012220001 in words is "one hundred one trillion, one billion, twelve million, two hundred twenty thousand, one".