210022210123 has 16 divisors (see below), whose sum is σ = 232305760512. Its totient is φ = 188285500000.

The previous prime is 210022210091. The next prime is 210022210129. The reversal of 210022210123 is 321012220012.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 210022210123 - 2⁵ = 210022210091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210022210097 and 210022210106.

It is not an unprimeable number, because it can be changed into a prime (210022210129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97711 + ... + 655432.

It is an arithmetic number, because the mean of its divisors is an integer number (14519110032).

Almost surely, 2^210022210123 is an apocalyptic number.

210022210123 is a deficient number, since it is larger than the sum of its proper divisors (22283550389).

210022210123 is a wasteful number, since it uses less digits than its factorization.

210022210123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753506.

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

Adding to 210022210123 its reverse (321012220012), we get a palindrome (531034430135).

The spelling of 210022210123 in words is "two hundred ten billion, twenty-two million, two hundred ten thousand, one hundred twenty-three".