2120222002 has 16 divisors (see below), whose sum is σ = 3216807000. Its totient is φ = 1047997440.

The previous prime is 2120221993. The next prime is 2120222003. The reversal of 2120222002 is 2002220212.

It can be written as a sum of positive squares in 4 ways, for example, as 1896689601 + 223532401 = 43551^2 + 14951^2 .

It is not an unprimeable number, because it can be changed into a prime (2120222003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87052 + ... + 108712.

Almost surely, 2^2120222002 is an apocalyptic number.

2120222002 is a deficient number, since it is larger than the sum of its proper divisors (1096584998).

2120222002 is a wasteful number, since it uses less digits than its factorization.

2120222002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22221.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 2120222002 is about 46045.8684574414. The cubic root of 2120222002 is about 1284.6764974677.

Adding to 2120222002 its reverse (2002220212), we get a palindrome (4122442214).

The spelling of 2120222002 in words is "two billion, one hundred twenty million, two hundred twenty-two thousand, two".