1000021201201 has 8 divisors (see below), whose sum is σ = 1091236737024. Its totient is φ = 908856418320.

The previous prime is 1000021201199. The next prime is 1000021201217. The reversal of 1000021201201 is 1021021200001.

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

It is a cyclic number.

It is not a de Polignac number, because 1000021201201 - 2¹ = 1000021201199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000021205201) 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 7 ways as a sum of consecutive naturals, for example, 12647026 + ... + 12725851.

It is an arithmetic number, because the mean of its divisors is an integer number (136404592128).

Almost surely, 2^{1000021201201} is an apocalyptic number.

1000021201201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1000021201201 is a deficient number, since it is larger than the sum of its proper divisors (91215535823).

1000021201201 is a wasteful number, since it uses less digits than its factorization.

1000021201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25376471.

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

Adding to 1000021201201 its reverse (1021021200001), we get a palindrome (2021042401202).

The spelling of 1000021201201 in words is "one trillion, twenty-one million, two hundred one thousand, two hundred one".