111201100021101 has 8 divisors (see below), whose sum is σ = 148269487611520. Its totient is φ = 74133389555712.

The previous prime is 111201100020943. The next prime is 111201100021103. The reversal of 111201100021101 is 101120001102111.

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

It is not a de Polignac number, because 111201100021101 - 2¹⁵ = 111201099988333 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111201100021103) 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, 168897940 + ... + 169555053.

It is an arithmetic number, because the mean of its divisors is an integer number (18533685951440).

Almost surely, 2^{111201100021101} is an apocalyptic number.

It is an amenable number.

111201100021101 is a deficient number, since it is larger than the sum of its proper divisors (37068387590419).

111201100021101 is a wasteful number, since it uses less digits than its factorization.

111201100021101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338562515.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 111201100021101 its reverse (101120001102111), we get a palindrome (212321101123212).

The spelling of 111201100021101 in words is "one hundred eleven trillion, two hundred one billion, one hundred million, twenty-one thousand, one hundred one".