210300021220120 has 128 divisors (see below), whose sum is σ = 538529796000000. Its totient is φ = 73269358272000.

The previous prime is 210300021220117. The next prime is 210300021220151. The reversal of 210300021220120 is 21022120003012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 210300021220094 and 210300021220103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39921370 + ... + 44881129.

It is an arithmetic number, because the mean of its divisors is an integer number (4207264031250).

Almost surely, 2^{210300021220120} is an apocalyptic number.

210300021220120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210300021220120 is an abundant number, since it is smaller than the sum of its proper divisors (328229774779880).

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

210300021220120 is a wasteful number, since it uses less digits than its factorization.

210300021220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84802793 (or 84802789 counting only the distinct ones).

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

Adding to 210300021220120 its reverse (21022120003012), we get a palindrome (231322141223132).

The spelling of 210300021220120 in words is "two hundred ten trillion, three hundred billion, twenty-one million, two hundred twenty thousand, one hundred twenty".