100020021002 has 64 divisors (see below), whose sum is σ = 169166600064. Its totient is φ = 43969213440.

The previous prime is 100020020983. The next prime is 100020021011. The reversal of 100020021002 is 200120020001.

100020021002 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18259088 + ... + 18264564.

It is an arithmetic number, because the mean of its divisors is an integer number (2643228126).

Almost surely, 2^100020021002 is an apocalyptic number.

100020021002 is a deficient number, since it is larger than the sum of its proper divisors (69146579062).

100020021002 is a wasteful number, since it uses less digits than its factorization.

100020021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5783.

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

Adding to 100020021002 its reverse (200120020001), we get a palindrome (300140041003).

It can be divided in two parts, 1000 and 20021002, that added together give a palindrome (20022002).

The spelling of 100020021002 in words is "one hundred billion, twenty million, twenty-one thousand, two".