210122113 has 4 divisors (see below), whose sum is σ = 210180528. Its totient is φ = 210063700.

The previous prime is 210122071. The next prime is 210122119. The reversal of 210122113 is 311221012.

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 210122113 - 2²⁵ = 176567681 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210122093 and 210122102.

It is not an unprimeable number, because it can be changed into a prime (210122119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23431 + ... + 31132.

It is an arithmetic number, because the mean of its divisors is an integer number (52545132).

Almost surely, 2^210122113 is an apocalyptic number.

It is an amenable number.

210122113 is a deficient number, since it is larger than the sum of its proper divisors (58415).

210122113 is an equidigital number, since it uses as much as digits as its factorization.

210122113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58414.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 210122113 is about 14495.5894326516. The cubic root of 210122113 is about 594.5073840857.

Adding to 210122113 its reverse (311221012), we get a palindrome (521343125).

The spelling of 210122113 in words is "two hundred ten million, one hundred twenty-two thousand, one hundred thirteen".