210002210221120 has 56 divisors (see below), whose sum is σ = 500453321335704. Its totient is φ = 83936118398976.

The previous prime is 210002210220997. The next prime is 210002210221129. The reversal of 210002210221120 is 21122012200012.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 49704530420736 + 160297679800384 = 7050144^2 + 12660872^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 210002210221094 and 210002210221103.

It is not an unprimeable number, because it can be changed into a prime (210002210221129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252575287 + ... + 253405366.

Almost surely, 2^{210002210221120} is an apocalyptic number.

210002210221120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210002210221120 is an abundant number, since it is smaller than the sum of its proper divisors (290451111114584).

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

210002210221120 is a wasteful number, since it uses less digits than its factorization.

210002210221120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505981967 (or 505981957 counting only the distinct ones).

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

Adding to 210002210221120 its reverse (21122012200012), we get a palindrome (231124222421132).

The spelling of 210002210221120 in words is "two hundred ten trillion, two billion, two hundred ten million, two hundred twenty-one thousand, one hundred twenty".