210010020220123 has 4 divisors (see below), whose sum is σ = 210010088172040. Its totient is φ = 210009952268208.

The previous prime is 210010020220087. The next prime is 210010020220127. The reversal of 210010020220123 is 321022020010012.

It is a happy number.

210010020220123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 210010020220123 - 2²⁵ = 210009986665691 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210010020220097 and 210010020220106.

It is not an unprimeable number, because it can be changed into a prime (210010020220127) 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, 29107578 + ... + 35598751.

It is an arithmetic number, because the mean of its divisors is an integer number (52502522043010).

Almost surely, 2^{210010020220123} is an apocalyptic number.

210010020220123 is a deficient number, since it is larger than the sum of its proper divisors (67951917).

210010020220123 is an equidigital number, since it uses as much as digits as its factorization.

210010020220123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67951916.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 210010020220123 its reverse (321022020010012), we get a palindrome (531032040230135).

The spelling of 210010020220123 in words is "two hundred ten trillion, ten billion, twenty million, two hundred twenty thousand, one hundred twenty-three".