2120210220202 has 8 divisors (see below), whose sum is σ = 3180413679300. Its totient is φ = 1060072327104.

The previous prime is 2120210220197. The next prime is 2120210220217. The reversal of 2120210220202 is 2020220120212.

It can be written as a sum of positive squares in 2 ways, for example, as 2070320977321 + 49889242881 = 1438861^2 + 223359^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16310577 + ... + 16440052.

Almost surely, 2^{2120210220202} is an apocalyptic number.

2120210220202 is a deficient number, since it is larger than the sum of its proper divisors (1060203459098).

2120210220202 is a wasteful number, since it uses less digits than its factorization.

2120210220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32783000.

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

Adding to 2120210220202 its reverse (2020220120212), we get a palindrome (4140430340414).

The spelling of 2120210220202 in words is "two trillion, one hundred twenty billion, two hundred ten million, two hundred twenty thousand, two hundred two".