210020122103 has 16 divisors (see below), whose sum is σ = 241211644800. Its totient is φ = 180848414880.

The previous prime is 210020122097. The next prime is 210020122177. The reversal of 210020122103 is 301221020012.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 210020122103 - 2⁴ = 210020122087 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 (210020122303) 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 15 ways as a sum of consecutive naturals, for example, 1221200 + ... + 1382522.

It is an arithmetic number, because the mean of its divisors is an integer number (15075727800).

Almost surely, 2^210020122103 is an apocalyptic number.

210020122103 is a deficient number, since it is larger than the sum of its proper divisors (31191522697).

210020122103 is a wasteful number, since it uses less digits than its factorization.

210020122103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167582.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 210020122103 its reverse (301221020012), we get a palindrome (511241142115).

The spelling of 210020122103 in words is "two hundred ten billion, twenty million, one hundred twenty-two thousand, one hundred three".