100021201111 has 8 divisors (see below), whose sum is σ = 107735012784. Its totient is φ = 92310228480.

The previous prime is 100021201051. The next prime is 100021201123. The reversal of 100021201111 is 111102120001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100021201111 - 2¹¹ = 100021199063 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 (100021204111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 636301 + ... + 777766.

It is an arithmetic number, because the mean of its divisors is an integer number (13466876598).

Almost surely, 2^100021201111 is an apocalyptic number.

100021201111 is a deficient number, since it is larger than the sum of its proper divisors (7713811673).

100021201111 is a wasteful number, since it uses less digits than its factorization.

100021201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419521.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 100021201111 its reverse (111102120001), we get a palindrome (211123321112).

The spelling of 100021201111 in words is "one hundred billion, twenty-one million, two hundred one thousand, one hundred eleven".