210002122011220 has 192 divisors, whose sum is σ = 587507293739520. Its totient is φ = 61039717171200.

The previous prime is 210002122011217. The next prime is 210002122011257. The reversal of 210002122011220 is 22110221200012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 210002122011194 and 210002122011203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33942121 + ... + 39649360.

It is an arithmetic number, because the mean of its divisors is an integer number (3059933821560).

Almost surely, 2^{210002122011220} is an apocalyptic number.

210002122011220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210002122011220 is an abundant number, since it is smaller than the sum of its proper divisors (377505171728300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210002122011220 is a wasteful number, since it uses less digits than its factorization.

210002122011220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73591634 (or 73591632 counting only the distinct ones).

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

Adding to 210002122011220 its reverse (22110221200012), we get a palindrome (232112343211232).

The spelling of 210002122011220 in words is "two hundred ten trillion, two billion, one hundred twenty-two million, eleven thousand, two hundred twenty".