21202122100313 has 8 divisors (see below), whose sum is σ = 26433814566720. Its totient is φ = 16521134104080.

The previous prime is 21202122100297. The next prime is 21202122100339. The reversal of 21202122100313 is 31300122120212.

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 21202122100313 - 2⁴ = 21202122100297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21202122100013) 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, 137676117458 + ... + 137676117611.

It is an arithmetic number, because the mean of its divisors is an integer number (3304226820840).

Almost surely, 2^{21202122100313} is an apocalyptic number.

It is an amenable number.

21202122100313 is a deficient number, since it is larger than the sum of its proper divisors (5231692466407).

21202122100313 is a wasteful number, since it uses less digits than its factorization.

21202122100313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275352235087.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 21202122100313 its reverse (31300122120212), we get a palindrome (52502244220525).

The spelling of 21202122100313 in words is "twenty-one trillion, two hundred two billion, one hundred twenty-two million, one hundred thousand, three hundred thirteen".