2121200302210 has 24 divisors (see below), whose sum is σ = 4196821096188. Its totient is φ = 771345564000.

The previous prime is 2121200302187. The next prime is 2121200302253. The reversal of 2121200302210 is 122030021212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2116969710361 + 4230591849 = 1454981^2 + 65043^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 876527841 + ... + 876530260.

Almost surely, 2^{2121200302210} is an apocalyptic number.

2121200302210 is a deficient number, since it is larger than the sum of its proper divisors (2075620793978).

2121200302210 is a wasteful number, since it uses less digits than its factorization.

2121200302210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753058130 (or 1753058119 counting only the distinct ones).

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

Adding to 2121200302210 its reverse (122030021212), we get a palindrome (2243230323422).

The spelling of 2121200302210 in words is "two trillion, one hundred twenty-one billion, two hundred million, three hundred two thousand, two hundred ten".