1000000021201 has 8 divisors (see below), whose sum is σ = 1001948249984. Its totient is φ = 998053434000.

The previous prime is 1000000021157. The next prime is 1000000021219. The reversal of 1000000021201 is 1021200000001.

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 1000000021201 - 2⁷ = 1000000021073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000000021001) 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, 812671 + ... + 1631083.

It is an arithmetic number, because the mean of its divisors is an integer number (125243531248).

Almost surely, 2^{1000000021201} is an apocalyptic number.

It is an amenable number.

1000000021201 is a deficient number, since it is larger than the sum of its proper divisors (1948228783).

1000000021201 is an equidigital number, since it uses as much as digits as its factorization.

1000000021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820791.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 1000000021201 its reverse (1021200000001), we get a palindrome (2021200021202).

The spelling of 1000000021201 in words is "one trillion, twenty-one thousand, two hundred one".