21022101211101 has 8 divisors (see below), whose sum is σ = 28029810769920. Its totient is φ = 14014562896512.

The previous prime is 21022101211091. The next prime is 21022101211129. The reversal of 21022101211101 is 10111210122012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21022101211101 - 2¹⁸ = 21022100948957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21022101211141) 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 7 ways as a sum of consecutive naturals, for example, 42524340 + ... + 43015853.

It is an arithmetic number, because the mean of its divisors is an integer number (3503726346240).

Almost surely, 2^{21022101211101} is an apocalyptic number.

It is an amenable number.

21022101211101 is a deficient number, since it is larger than the sum of its proper divisors (7007709558819).

21022101211101 is an equidigital number, since it uses as much as digits as its factorization.

21022101211101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85622115.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 21022101211101 its reverse (10111210122012), we get a palindrome (31133311333113).

The spelling of 21022101211101 in words is "twenty-one trillion, twenty-two billion, one hundred one million, two hundred eleven thousand, one hundred one".