120021221000002 has 8 divisors (see below), whose sum is σ = 205750664571456. Its totient is φ = 51437666142852.

The previous prime is 120021220999963. The next prime is 120021221000003. The reversal of 120021221000002 is 200000122120021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (120021221000003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4286472178558 + ... + 4286472178585.

It is an arithmetic number, because the mean of its divisors is an integer number (25718833071432).

Almost surely, 2^{120021221000002} is an apocalyptic number.

120021221000002 is a deficient number, since it is larger than the sum of its proper divisors (85729443571454).

120021221000002 is an equidigital number, since it uses as much as digits as its factorization.

120021221000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8572944357152.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 120021221000002 its reverse (200000122120021), we get a palindrome (320021343120023).

The spelling of 120021221000002 in words is "one hundred twenty trillion, twenty-one billion, two hundred twenty-one million, two", and thus it is an aban number.