1002002021101 has 8 divisors (see below), whose sum is σ = 1072029773600. Its totient is φ = 933703349040.

The previous prime is 1002002021051. The next prime is 1002002021117. The reversal of 1002002021101 is 1011202002001.

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 1002002021101 - 2⁷ = 1002002020973 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 (1002002021161) 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, 432268911 + ... + 432271228.

It is an arithmetic number, because the mean of its divisors is an integer number (134003721700).

Almost surely, 2^{1002002021101} is an apocalyptic number.

It is an amenable number.

1002002021101 is a deficient number, since it is larger than the sum of its proper divisors (70027752499).

1002002021101 is an equidigital number, since it uses as much as digits as its factorization.

1002002021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864540219.

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

Adding to 1002002021101 its reverse (1011202002001), we get a palindrome (2013204023102).

The spelling of 1002002021101 in words is "one trillion, two billion, two million, twenty-one thousand, one hundred one".