1000202002221 has 16 divisors (see below), whose sum is σ = 1349047844928. Its totient is φ = 659100720000.

The previous prime is 1000202002213. The next prime is 1000202002273. The reversal of 1000202002221 is 1222002020001.

It is not a de Polignac number, because 1000202002221 - 2³ = 1000202002213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1000202002197 and 1000202002206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000202002201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2564151 + ... + 2928356.

It is an arithmetic number, because the mean of its divisors is an integer number (84315490308).

Almost surely, 2^{1000202002221} is an apocalyptic number.

It is an amenable number.

1000202002221 is a deficient number, since it is larger than the sum of its proper divisors (348845842707).

1000202002221 is a wasteful number, since it uses less digits than its factorization.

1000202002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5493212.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 1000202002221 its reverse (1222002020001), we get a palindrome (2222204022222).

The spelling of 1000202002221 in words is "one trillion, two hundred two million, two thousand, two hundred twenty-one".