120021002210 has 32 divisors (see below), whose sum is σ = 216369921600. Its totient is φ = 47934659520.

The previous prime is 120021002209. The next prime is 120021002239. The reversal of 120021002210 is 12200120021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 120021002191 and 120021002200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31758101 + ... + 31761879.

It is an arithmetic number, because the mean of its divisors is an integer number (6761560050).

Almost surely, 2^120021002210 is an apocalyptic number.

120021002210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120021002210 is a deficient number, since it is larger than the sum of its proper divisors (96348919390).

120021002210 is a wasteful number, since it uses less digits than its factorization.

120021002210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7826.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 120021002210 its reverse (12200120021), we get a palindrome (132221122231).

The spelling of 120021002210 in words is "one hundred twenty billion, twenty-one million, two thousand, two hundred ten".