1001010220002 has 48 divisors (see below), whose sum is σ = 2335774037688. Its totient is φ = 307992130560.

The previous prime is 1001010219943. The next prime is 1001010220019. The reversal of 1001010220002 is 2000220101001.

It can be written as a sum of positive squares in 4 ways, for example, as 217641843441 + 783368376561 = 466521^2 + 885081^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8560852 + ... + 8676992.

Almost surely, 2^{1001010220002} is an apocalyptic number.

1001010220002 is an abundant number, since it is smaller than the sum of its proper divisors (1334763817686).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1001010220002 is a wasteful number, since it uses less digits than its factorization.

1001010220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152995 (or 152992 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1001010220002 its reverse (2000220101001), we get a palindrome (3001230321003).

The spelling of 1001010220002 in words is "one trillion, one billion, ten million, two hundred twenty thousand, two".