213120102301 has 4 divisors (see below), whose sum is σ = 213377805792.
Its totient is φ = 212862398812.
The previous prime is 213120102277. The next prime is 213120102337. The reversal of 213120102301 is 103201021312.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 213120102301 - 219 = 213119578013 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 (213120102001) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128850505 + ... + 128852158.
It is an arithmetic number, because the mean of its divisors is an integer number (53344451448).
Almost surely, 2213120102301 is an apocalyptic number.
It is an amenable number.
213120102301 is a deficient number, since it is larger than the sum of its proper divisors (257703491).
213120102301 is an equidigital number, since it uses as much as digits as its factorization.
213120102301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 257703490.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 213120102301 its reverse (103201021312), we get a palindrome (316321123613).
The spelling of 213120102301 in words is "two hundred thirteen billion, one hundred twenty million, one hundred two thousand, three hundred one".