1202102211121 has 32 divisors (see below), whose sum is σ = 1453699192320.
Its totient is φ = 971740053504.
The previous prime is 1202102211119. The next prime is 1202102211161. The reversal of 1202102211121 is 1211122012021.
Adding to 1202102211121 its reverse (1211122012021), we get a palindrome (2413224223142).
It is a cyclic number.
It is not a de Polignac number, because 1202102211121 - 21 = 1202102211119 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1202102211095 and 1202102211104.
It is not an unprimeable number, because it can be changed into a prime (1202102211161) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37699441 + ... + 37731313.
It is an arithmetic number, because the mean of its divisors is an integer number (45428099760).
Almost surely, 21202102211121 is an apocalyptic number.
It is an amenable number.
1202102211121 is a deficient number, since it is larger than the sum of its proper divisors (251596981199).
1202102211121 is a wasteful number, since it uses less digits than its factorization.
1202102211121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35185.
The product of its (nonzero) digits is 32, while the sum is 16.
The spelling of 1202102211121 in words is "one trillion, two hundred two billion, one hundred two million, two hundred eleven thousand, one hundred twenty-one".