1002121212201 has 32 divisors (see below), whose sum is σ = 1455566112000. Its totient is φ = 611337500928.

The previous prime is 1002121212187. The next prime is 1002121212229. The reversal of 1002121212201 is 1022121212001.

It is not a de Polignac number, because 1002121212201 - 2⁷ = 1002121212073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1002121212271) 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, 2079186 + ... + 2515403.

It is an arithmetic number, because the mean of its divisors is an integer number (45486441000).

Almost surely, 2^{1002121212201} is an apocalyptic number.

It is an amenable number.

1002121212201 is a deficient number, since it is larger than the sum of its proper divisors (453444899799).

1002121212201 is a wasteful number, since it uses less digits than its factorization.

1002121212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4594753.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1002121212201 its reverse (1022121212001), we get a palindrome (2024242424202).

The spelling of 1002121212201 in words is "one trillion, two billion, one hundred twenty-one million, two hundred twelve thousand, two hundred one".