100021200102111 has 16 divisors (see below), whose sum is σ = 133792313209184. Its totient is φ = 66465458302464.

The previous prime is 100021200102091. The next prime is 100021200102151. The reversal of 100021200102111 is 111201002120001.

It is not a de Polignac number, because 100021200102111 - 2¹⁰ = 100021200101087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100021200102151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25471635 + ... + 29134971.

It is an arithmetic number, because the mean of its divisors is an integer number (8362019575574).

Almost surely, 2^{100021200102111} is an apocalyptic number.

100021200102111 is a deficient number, since it is larger than the sum of its proper divisors (33771113107073).

100021200102111 is a wasteful number, since it uses less digits than its factorization.

100021200102111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3692730.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 100021200102111 its reverse (111201002120001), we get a palindrome (211222202222112).

The spelling of 100021200102111 in words is "one hundred trillion, twenty-one billion, two hundred million, one hundred two thousand, one hundred eleven".