21411103222101 has 4 divisors (see below), whose sum is σ = 28548137629472. Its totient is φ = 14274068814732.

The previous prime is 21411103222099. The next prime is 21411103222133. The reversal of 21411103222101 is 10122230111412.

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 not a de Polignac number, because 21411103222101 - 2¹ = 21411103222099 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 (21411103224101) 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, 3568517203681 + ... + 3568517203686.

It is an arithmetic number, because the mean of its divisors is an integer number (7137034407368).

Almost surely, 2^{21411103222101} is an apocalyptic number.

It is an amenable number.

21411103222101 is a deficient number, since it is larger than the sum of its proper divisors (7137034407371).

21411103222101 is an equidigital number, since it uses as much as digits as its factorization.

21411103222101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7137034407370.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 21411103222101 its reverse (10122230111412), we get a palindrome (31533333333513).

The spelling of 21411103222101 in words is "twenty-one trillion, four hundred eleven billion, one hundred three million, two hundred twenty-two thousand, one hundred one".