21302121020301 has 24 divisors (see below), whose sum is σ = 33646710183840. Its totient is φ = 12879710373600.

The previous prime is 21302121020281. The next prime is 21302121020311. The reversal of 21302121020301 is 10302012120312.

21302121020301 is a `hidden beast` number, since 2 + 130 + 2 + 1 + 210 + 20 + 301 = 666.

It is not a de Polignac number, because 21302121020301 - 2⁵ = 21302121020269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21302121020311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 255508131 + ... + 255591488.

It is an arithmetic number, because the mean of its divisors is an integer number (1401946257660).

Almost surely, 2^{21302121020301} is an apocalyptic number.

It is an amenable number.

21302121020301 is a deficient number, since it is larger than the sum of its proper divisors (12344589163539).

21302121020301 is a wasteful number, since it uses less digits than its factorization.

21302121020301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511100057 (or 511100054 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 21302121020301 its reverse (10302012120312), we get a palindrome (31604133140613).

It can be divided in two parts, 2130212 and 1020301, that added together give a palindrome (3150513).

The spelling of 21302121020301 in words is "twenty-one trillion, three hundred two billion, one hundred twenty-one million, twenty thousand, three hundred one".