1002121200201 has 16 divisors (see below), whose sum is σ = 1457656934400. Its totient is φ = 607335307920.

The previous prime is 1002121200173. The next prime is 1002121200209. The reversal of 1002121200201 is 1020021212001.

It is not a de Polignac number, because 1002121200201 - 2¹⁸ = 1002120938057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1002121200209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1845316 + ... + 2325818.

It is an arithmetic number, because the mean of its divisors is an integer number (91103558400).

Almost surely, 2^{1002121200201} is an apocalyptic number.

1002121200201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1002121200201 is a deficient number, since it is larger than the sum of its proper divisors (455535734199).

1002121200201 is a wasteful number, since it uses less digits than its factorization.

1002121200201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543716.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1002121200201 its reverse (1020021212001), we get a palindrome (2022142412202).

The spelling of 1002121200201 in words is "one trillion, two billion, one hundred twenty-one million, two hundred thousand, two hundred one".