1002020101201 has 32 divisors (see below), whose sum is σ = 1204970618880. Its totient is φ = 815246424000.

The previous prime is 1002020101157. The next prime is 1002020101297. The reversal of 1002020101201 is 1021010202001.

It is a cyclic number.

It is not a de Polignac number, because 1002020101201 - 2²⁷ = 1001885883473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1002020161201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2131480 + ... + 2558758.

It is an arithmetic number, because the mean of its divisors is an integer number (37655331840).

Almost surely, 2^{1002020101201} is an apocalyptic number.

It is an amenable number.

1002020101201 is a deficient number, since it is larger than the sum of its proper divisors (202950517679).

1002020101201 is a wasteful number, since it uses less digits than its factorization.

1002020101201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427525.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1002020101201 its reverse (1021010202001), we get a palindrome (2023030303202).

The spelling of 1002020101201 in words is "one trillion, two billion, twenty million, one hundred one thousand, two hundred one".