121112021102002 has 16 divisors (see below), whose sum is σ = 209676257186112. Its totient is φ = 51391239505200.

The previous prime is 121112021101993. The next prime is 121112021102003. The reversal of 121112021102002 is 200201120211121.

It is not an unprimeable number, because it can be changed into a prime (121112021102003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42826031508 + ... + 42826034335.

It is an arithmetic number, because the mean of its divisors is an integer number (13104766074132).

Almost surely, 2^{121112021102002} is an apocalyptic number.

121112021102002 is a deficient number, since it is larger than the sum of its proper divisors (88564236084110).

121112021102002 is a wasteful number, since it uses less digits than its factorization.

121112021102002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85652065953.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121112021102002 its reverse (200201120211121), we get a palindrome (321313141313123).

The spelling of 121112021102002 in words is "one hundred twenty-one trillion, one hundred twelve billion, twenty-one million, one hundred two thousand, two".