1002001220101 has 8 divisors (see below), whose sum is σ = 1145886418304. Its totient is φ = 858301563600.

The previous prime is 1002001220081. The next prime is 1002001220107. The reversal of 1002001220101 is 1010221002001.

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 1002001220101 - 2¹⁵ = 1002001187333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002001220107) 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, 46373850 + ... + 46395451.

It is an arithmetic number, because the mean of its divisors is an integer number (143235802288).

Almost surely, 2^{1002001220101} is an apocalyptic number.

It is an amenable number.

1002001220101 is a deficient number, since it is larger than the sum of its proper divisors (143885198203).

1002001220101 is an equidigital number, since it uses as much as digits as its factorization.

1002001220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92770851.

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

Adding to 1002001220101 its reverse (1010221002001), we get a palindrome (2012222222102).

The spelling of 1002001220101 in words is "one trillion, two billion, one million, two hundred twenty thousand, one hundred one".