100021221220002 has 16 divisors (see below), whose sum is σ = 200049774895200. Its totient is φ = 33339184997472.

The previous prime is 100021221219943. The next prime is 100021221220027. The reversal of 100021221220002 is 200022122120001.

100021221220002 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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305341627 + ... + 305669022.

It is an arithmetic number, because the mean of its divisors is an integer number (12503110930950).

Almost surely, 2^{100021221220002} is an apocalyptic number.

100021221220002 is an abundant number, since it is smaller than the sum of its proper divisors (100028553675198).

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

100021221220002 is a wasteful number, since it uses less digits than its factorization.

100021221220002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611037937.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 100021221220002 its reverse (200022122120001), we get a palindrome (300043343340003).

The spelling of 100021221220002 in words is "one hundred trillion, twenty-one billion, two hundred twenty-one million, two hundred twenty thousand, two".