120121121002 has 16 divisors (see below), whose sum is σ = 180339793920.
Its totient is φ = 60007884048.
The previous prime is 120121120979. The next prime is 120121121011. The reversal of 120121121002 is 200121121021.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14216343 + ... + 14224789.
It is an arithmetic number, because the mean of its divisors is an integer number (11271237120).
Almost surely, 2120121121002 is an apocalyptic number.
120121121002 is a deficient number, since it is larger than the sum of its proper divisors (60218672918).
120121121002 is a wasteful number, since it uses less digits than its factorization.
120121121002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13845.
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 120121121002 its reverse (200121121021), we get a palindrome (320242242023).
The spelling of 120121121002 in words is "one hundred twenty billion, one hundred twenty-one million, one hundred twenty-one thousand, two".