210123101201113 has 4 divisors (see below), whose sum is σ = 210807541270480. Its totient is φ = 209438661131748.

The previous prime is 210123101201053. The next prime is 210123101201119. The reversal of 210123101201113 is 311102101321012.

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 a de Polignac number, because none of the positive numbers 2^k-210123101201113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210123101201119) 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, 342220034223 + ... + 342220034836.

It is an arithmetic number, because the mean of its divisors is an integer number (52701885317620).

Almost surely, 2^{210123101201113} is an apocalyptic number.

It is an amenable number.

210123101201113 is a deficient number, since it is larger than the sum of its proper divisors (684440069367).

210123101201113 is an equidigital number, since it uses as much as digits as its factorization.

210123101201113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684440069366.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 210123101201113 its reverse (311102101321012), we get a palindrome (521225202522125).

The spelling of 210123101201113 in words is "two hundred ten trillion, one hundred twenty-three billion, one hundred one million, two hundred one thousand, one hundred thirteen".