1002000201022 has 4 divisors (see below), whose sum is σ = 1503000301536. Its totient is φ = 501000100510.

The previous prime is 1002000201017. The next prime is 1002000201029. The reversal of 1002000201022 is 2201020002001.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002000201029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250500050254 + ... + 250500050257.

It is an arithmetic number, because the mean of its divisors is an integer number (375750075384).

Almost surely, 2^{1002000201022} is an apocalyptic number.

1002000201022 is a deficient number, since it is larger than the sum of its proper divisors (501000100514).

1002000201022 is an equidigital number, since it uses as much as digits as its factorization.

1002000201022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501000100513.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 1002000201022 its reverse (2201020002001), we get a palindrome (3203020203023).

The spelling of 1002000201022 in words is "one trillion, two billion, two hundred one thousand, twenty-two".