120022122002 has 4 divisors (see below), whose sum is σ = 180033183006. Its totient is φ = 60011061000.

The previous prime is 120022121987. The next prime is 120022122007. The reversal of 120022122002 is 200221220021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 200221220021 = 2549 ⋅78548929.

It can be written as a sum of positive squares in only one way, i.e., 68874228721 + 51147893281 = 262439^2 + 226159^2 .

It is not an unprimeable number, because it can be changed into a prime (120022122007) by changing a digit.

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 as a sum of consecutive naturals, namely, 30005530499 + ... + 30005530502.

Almost surely, 2^120022122002 is an apocalyptic number.

120022122002 is a deficient number, since it is larger than the sum of its proper divisors (60011061004).

120022122002 is an equidigital number, since it uses as much as digits as its factorization.

120022122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60011061003.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 120022122002 its reverse (200221220021), we get a palindrome (320243342023).

The spelling of 120022122002 in words is "one hundred twenty billion, twenty-two million, one hundred twenty-two thousand, two".