20210210210122 has 8 divisors (see below), whose sum is σ = 30501298845216. Its totient is φ = 10043110595052.

The previous prime is 20210210210119. The next prime is 20210210210129. The reversal of 20210210210122 is 22101201201202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20210210210096 and 20210210210105.

It is not an unprimeable number, because it can be changed into a prime (20210210210129) 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, 30997254598 + ... + 30997255249.

It is an arithmetic number, because the mean of its divisors is an integer number (3812662355652).

Almost surely, 2^{20210210210122} is an apocalyptic number.

20210210210122 is a deficient number, since it is larger than the sum of its proper divisors (10291088635094).

20210210210122 is a wasteful number, since it uses less digits than its factorization.

20210210210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61994510012.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20210210210122 its reverse (22101201201202), we get a palindrome (42311411411324).

The spelling of 20210210210122 in words is "twenty trillion, two hundred ten billion, two hundred ten million, two hundred ten thousand, one hundred twenty-two".