101000021210221 has 4 divisors (see below), whose sum is σ = 115428595668832. Its totient is φ = 86571446751612.

The previous prime is 101000021210219. The next prime is 101000021210227. The reversal of 101000021210221 is 122012120000101.

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 101000021210221 - 2¹ = 101000021210219 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 (101000021210227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7214287229295 + ... + 7214287229308.

It is an arithmetic number, because the mean of its divisors is an integer number (28857148917208).

Almost surely, 2^{101000021210221} is an apocalyptic number.

It is an amenable number.

101000021210221 is a deficient number, since it is larger than the sum of its proper divisors (14428574458611).

101000021210221 is an equidigital number, since it uses as much as digits as its factorization.

101000021210221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14428574458610.

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

Adding to 101000021210221 its reverse (122012120000101), we get a palindrome (223012141210322).

The spelling of 101000021210221 in words is "one hundred one trillion, twenty-one million, two hundred ten thousand, two hundred twenty-one".