2120212122202 has 16 divisors (see below), whose sum is σ = 3224672752680. Its totient is φ = 1045328308992.

The previous prime is 2120212122187. The next prime is 2120212122209. The reversal of 2120212122202 is 2022212120212.

It can be written as a sum of positive squares in 4 ways, for example, as 2014977411001 + 105234711201 = 1419499^2 + 324399^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2120212122202.

It is not an unprimeable number, because it can be changed into a prime (2120212122209) 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, 1176427 + ... + 2371582.

Almost surely, 2^{2120212122202} is an apocalyptic number.

2120212122202 is a deficient number, since it is larger than the sum of its proper divisors (1104460630478).

2120212122202 is a wasteful number, since it uses less digits than its factorization.

2120212122202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3552177.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2120212122202 its reverse (2022212120212), we get a palindrome (4142424242414).

The spelling of 2120212122202 in words is "two trillion, one hundred twenty billion, two hundred twelve million, one hundred twenty-two thousand, two hundred two".