210221002002220 has 48 divisors (see below), whose sum is σ = 481604347074816. Its totient is φ = 76442867000000.

The previous prime is 210221002002217. The next prime is 210221002002299. The reversal of 210221002002220 is 22200200122012.

210221002002220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 210221002002194 and 210221002002203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7853295 + ... + 21957145.

It is an arithmetic number, because the mean of its divisors is an integer number (10033423897392).

Almost surely, 2^{210221002002220} is an apocalyptic number.

210221002002220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210221002002220 is an abundant number, since it is smaller than the sum of its proper divisors (271383345072596).

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

210221002002220 is a wasteful number, since it uses less digits than its factorization.

210221002002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14171622 (or 14171620 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 210221002002220 its reverse (22200200122012), we get a palindrome (232421202124232).

The spelling of 210221002002220 in words is "two hundred ten trillion, two hundred twenty-one billion, two million, two thousand, two hundred twenty".