21122012211301 has 8 divisors (see below), whose sum is σ = 21149168261760. Its totient is φ = 21094869858192.

The previous prime is 21122012211241. The next prime is 21122012211449. The reversal of 21122012211301 is 10311221022112.

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

It is a cyclic number.

It is not a de Polignac number, because 21122012211301 - 2¹¹ = 21122012209253 is a prime.

It is a super-2 number, since 2×21122012211301² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21122012281301) 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, 336466 + ... + 6508243.

It is an arithmetic number, because the mean of its divisors is an integer number (2643646032720).

Almost surely, 2^{21122012211301} is an apocalyptic number.

It is an amenable number.

21122012211301 is a deficient number, since it is larger than the sum of its proper divisors (27156050459).

21122012211301 is a wasteful number, since it uses less digits than its factorization.

21122012211301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6848675.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 21122012211301 its reverse (10311221022112), we get a palindrome (31433233233413).

The spelling of 21122012211301 in words is "twenty-one trillion, one hundred twenty-two billion, twelve million, two hundred eleven thousand, three hundred one".