2120120222002 has 4 divisors (see below), whose sum is σ = 3180180333006. Its totient is φ = 1060060111000.

The previous prime is 2120120221981. The next prime is 2120120222021. The reversal of 2120120222002 is 2002220210212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1437862393881 + 682257828121 = 1199109^2 + 825989^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530030055499 + ... + 530030055502.

Almost surely, 2^{2120120222002} is an apocalyptic number.

2120120222002 is a deficient number, since it is larger than the sum of its proper divisors (1060060111004).

2120120222002 is a wasteful number, since it uses less digits than its factorization.

2120120222002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060060111003.

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

Adding to 2120120222002 its reverse (2002220210212), we get a palindrome (4122340432214).

The spelling of 2120120222002 in words is "two trillion, one hundred twenty billion, one hundred twenty million, two hundred twenty-two thousand, two".