120002111002 has 48 divisors (see below), whose sum is σ = 192276772128.
Its totient is φ = 56158882560.
The previous prime is 120002110939. The next prime is 120002111051. The reversal of 120002111002 is 200111200021.
It is a self number, because there is not a number n which added to its sum of digits gives 120002111002.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 150566868 + ... + 150567664.
It is an arithmetic number, because the mean of its divisors is an integer number (4005766086).
Almost surely, 2120002111002 is an apocalyptic number.
120002111002 is a deficient number, since it is larger than the sum of its proper divisors (72274661126).
120002111002 is a wasteful number, since it uses less digits than its factorization.
120002111002 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1951 (or 1934 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 10.
Adding to 120002111002 its reverse (200111200021), we get a palindrome (320113311023).
The spelling of 120002111002 in words is "one hundred twenty billion, two million, one hundred eleven thousand, two".