101000122021201 has 4 divisors (see below), whose sum is σ = 108769362176692. Its totient is φ = 93230881865712.

The previous prime is 101000122021153. The next prime is 101000122021217. The reversal of 101000122021201 is 102120221000101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13527573660225 + 87472548360976 = 3677985^2 + 9352676^2 .

It is a cyclic number.

It is not a de Polignac number, because 101000122021201 - 2³³ = 100991532086609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 7769240155477 = 101000122021201 / (1 + 0 + 1 + 0 + 0 + 0 + 1 + 2 + 2 + 0 + 2 + 1 + 2 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101000122021901) 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, 3884620077726 + ... + 3884620077751.

It is an arithmetic number, because the mean of its divisors is an integer number (27192340544173).

Almost surely, 2^{101000122021201} is an apocalyptic number.

It is an amenable number.

101000122021201 is a deficient number, since it is larger than the sum of its proper divisors (7769240155491).

101000122021201 is an equidigital number, since it uses as much as digits as its factorization.

101000122021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7769240155490.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 101000122021201 its reverse (102120221000101), we get a palindrome (203120343021302).

The spelling of 101000122021201 in words is "one hundred one trillion, one hundred twenty-two million, twenty-one thousand, two hundred one".