120002221010 has 64 divisors (see below), whose sum is σ = 258903101952. Its totient is φ = 39154891776.

The previous prime is 120002220983. The next prime is 120002221013. The reversal of 120002221010 is 10122200021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 120002220982 and 120002221000.

It is not an unprimeable number, because it can be changed into a prime (120002221013) 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 in 31 ways as a sum of consecutive naturals, for example, 127994 + ... + 506346.

It is an arithmetic number, because the mean of its divisors is an integer number (4045360968).

Almost surely, 2^120002221010 is an apocalyptic number.

120002221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120002221010 is an abundant number, since it is smaller than the sum of its proper divisors (138900880942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120002221010 is a wasteful number, since it uses less digits than its factorization.

120002221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378587.

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

Adding to 120002221010 its reverse (10122200021), we get a palindrome (130124421031).

The spelling of 120002221010 in words is "one hundred twenty billion, two million, two hundred twenty-one thousand, ten".