111000220233101 has 4 divisors (see below), whose sum is σ = 111000604100604. Its totient is φ = 110999836365600.

The previous prime is 111000220233059. The next prime is 111000220233103. The reversal of 111000220233101 is 101332022000111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 94278254670601 + 16721965562500 = 9709699^2 + 4089250^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111000220233101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111000220233101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111000220233103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191499680 + ... + 192078441.

It is an arithmetic number, because the mean of its divisors is an integer number (27750151025151).

Almost surely, 2^{111000220233101} is an apocalyptic number.

It is an amenable number.

111000220233101 is a deficient number, since it is larger than the sum of its proper divisors (383867503).

111000220233101 is an equidigital number, since it uses as much as digits as its factorization.

111000220233101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383867502.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 111000220233101 its reverse (101332022000111), we get a palindrome (212332242233212).

The spelling of 111000220233101 in words is "one hundred eleven trillion, two hundred twenty million, two hundred thirty-three thousand, one hundred one".