101001100002221 has 4 divisors (see below), whose sum is σ = 101001133891392. Its totient is φ = 101001066113052.

The previous prime is 101001100002193. The next prime is 101001100002269. The reversal of 101001100002221 is 122200001100101.

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 101001100002221 - 2¹⁴ = 101001099985837 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 (101001100002281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11991461 + ... + 18595626.

It is an arithmetic number, because the mean of its divisors is an integer number (25250283472848).

Almost surely, 2^{101001100002221} is an apocalyptic number.

It is an amenable number.

101001100002221 is a deficient number, since it is larger than the sum of its proper divisors (33889171).

101001100002221 is an equidigital number, since it uses as much as digits as its factorization.

101001100002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33889170.

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

Adding to 101001100002221 its reverse (122200001100101), we get a palindrome (223201101102322).

The spelling of 101001100002221 in words is "one hundred one trillion, one billion, one hundred million, two thousand, two hundred twenty-one".