21211122001301 has 8 divisors (see below), whose sum is σ = 21722781948384. Its totient is φ = 20700297419760.

The previous prime is 21211122001291. The next prime is 21211122001327. The reversal of 21211122001301 is 10310022111212.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21211122001301 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 21211122001301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21211122021301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208789991 + ... + 208891556.

It is an arithmetic number, because the mean of its divisors is an integer number (2715347743548).

Almost surely, 2^{21211122001301} is an apocalyptic number.

It is an amenable number.

21211122001301 is a deficient number, since it is larger than the sum of its proper divisors (511659947083).

21211122001301 is a wasteful number, since it uses less digits than its factorization.

21211122001301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417682771.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 21211122001301 its reverse (10310022111212), we get a palindrome (31521144112513).

The spelling of 21211122001301 in words is "twenty-one trillion, two hundred eleven billion, one hundred twenty-two million, one thousand, three hundred one".