120021122002 has 12 divisors (see below), whose sum is σ = 190005738606. Its totient is φ = 56852110080.

The previous prime is 120021121939. The next prime is 120021122027. The reversal of 120021122002 is 200221120021.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 119039490441 + 981631561 = 345021^2 + 31331^2 .

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 5 ways as a sum of consecutive naturals, for example, 83116399 + ... + 83117842.

Almost surely, 2^120021122002 is an apocalyptic number.

120021122002 is a deficient number, since it is larger than the sum of its proper divisors (69984616604).

120021122002 is a wasteful number, since it uses less digits than its factorization.

120021122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166234281 (or 166234262 counting only the distinct ones).

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

Adding to 120021122002 its reverse (200221120021), we get a palindrome (320242242023).

The spelling of 120021122002 in words is "one hundred twenty billion, twenty-one million, one hundred twenty-two thousand, two".