100021020120002 has 16 divisors (see below), whose sum is σ = 150183836661600. Its totient is φ = 49959747128928.

The previous prime is 100021020119987. The next prime is 100021020120019. The reversal of 100021020120002 is 200021020120001.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32662793 + ... + 35593539.

It is an arithmetic number, because the mean of its divisors is an integer number (9386489791350).

Almost surely, 2^{100021020120002} is an apocalyptic number.

100021020120002 is a deficient number, since it is larger than the sum of its proper divisors (50162816541598).

100021020120002 is a wasteful number, since it uses less digits than its factorization.

100021020120002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2948065.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 100021020120002 its reverse (200021020120001), we get a palindrome (300042040240003).

Subtracting 100021020120002 from its reverse (200021020120001), we obtain a palindrome (99999999999999).

The spelling of 100021020120002 in words is "one hundred trillion, twenty-one billion, twenty million, one hundred twenty thousand, two".