1002102021201 has 8 divisors (see below), whose sum is σ = 1345748518240. Its totient is φ = 663261769152.

The previous prime is 1002102021199. The next prime is 1002102021209. The reversal of 1002102021201 is 1021202012001.

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

It is not a de Polignac number, because 1002102021201 - 2¹ = 1002102021199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002102021209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1201560760 + ... + 1201561593.

It is an arithmetic number, because the mean of its divisors is an integer number (168218564780).

Almost surely, 2^{1002102021201} is an apocalyptic number.

It is an amenable number.

1002102021201 is a deficient number, since it is larger than the sum of its proper divisors (343646497039).

1002102021201 is a wasteful number, since it uses less digits than its factorization.

1002102021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2403122495.

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

Adding to 1002102021201 its reverse (1021202012001), we get a palindrome (2023304033202).

The spelling of 1002102021201 in words is "one trillion, two billion, one hundred two million, twenty-one thousand, two hundred one".