1002111242122 has 8 divisors (see below), whose sum is σ = 1507196802276. Its totient is φ = 499712308032.

The previous prime is 1002111242081. The next prime is 1002111242123. The reversal of 1002111242122 is 2212421112001.

1002111242122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 990604174681 + 11507067441 = 995291^2 + 107271^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1002111242122.

It is not an unprimeable number, because it can be changed into a prime (1002111242123) 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, 671655583 + ... + 671657074.

Almost surely, 2^{1002111242122} is an apocalyptic number.

1002111242122 is a deficient number, since it is larger than the sum of its proper divisors (505085560154).

1002111242122 is a wasteful number, since it uses less digits than its factorization.

1002111242122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343313032.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1002111242122 its reverse (2212421112001), we get a palindrome (3214532354123).

The spelling of 1002111242122 in words is "one trillion, two billion, one hundred eleven million, two hundred forty-two thousand, one hundred twenty-two".