21202010001213 has 8 divisors (see below), whose sum is σ = 28427275980000. Its totient is φ = 14055708678288.

The previous prime is 21202010001169. The next prime is 21202010001223. The reversal of 21202010001213 is 31210001020212.

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

It is not a de Polignac number, because 21202010001213 - 2⁶ = 21202010001149 is a prime.

It is a super-2 number, since 2×21202010001213² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21202010001192 and 21202010001201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21202010001223) 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, 19741163338 + ... + 19741164411.

It is an arithmetic number, because the mean of its divisors is an integer number (3553409497500).

Almost surely, 2^{21202010001213} is an apocalyptic number.

It is an amenable number.

21202010001213 is a deficient number, since it is larger than the sum of its proper divisors (7225265978787).

21202010001213 is a wasteful number, since it uses less digits than its factorization.

21202010001213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39482327931.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 21202010001213 its reverse (31210001020212), we get a palindrome (52412011021425).

The spelling of 21202010001213 in words is "twenty-one trillion, two hundred two billion, ten million, one thousand, two hundred thirteen".