21020120101301 has 8 divisors (see below), whose sum is σ = 21257043254304. Its totient is φ = 20784355497360.

The previous prime is 21020120101297. The next prime is 21020120101307. The reversal of 21020120101301 is 10310102102012.

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 21020120101301 - 2² = 21020120101297 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 (21020120101307) 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, 289600775 + ... + 289673348.

It is an arithmetic number, because the mean of its divisors is an integer number (2657130406788).

Almost surely, 2^{21020120101301} is an apocalyptic number.

It is an amenable number.

21020120101301 is a deficient number, since it is larger than the sum of its proper divisors (236923153003).

21020120101301 is a wasteful number, since it uses less digits than its factorization.

21020120101301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579274531.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 21020120101301 its reverse (10310102102012), we get a palindrome (31330222203313).

The spelling of 21020120101301 in words is "twenty-one trillion, twenty billion, one hundred twenty million, one hundred one thousand, three hundred one".