111000011212201 has 4 divisors (see below), whose sum is σ = 111000515311504. Its totient is φ = 110999507112900.

The previous prime is 111000011212157. The next prime is 111000011212231. The reversal of 111000011212201 is 102212110000111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111000011212201 - 2¹⁵ = 111000011179433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111000011212231) 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, 251719215 + ... + 252159796.

It is an arithmetic number, because the mean of its divisors is an integer number (27750128827876).

Almost surely, 2^{111000011212201} is an apocalyptic number.

It is an amenable number.

111000011212201 is a deficient number, since it is larger than the sum of its proper divisors (504099303).

111000011212201 is an equidigital number, since it uses as much as digits as its factorization.

111000011212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504099302.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111000011212201 its reverse (102212110000111), we get a palindrome (213212121212312).

The spelling of 111000011212201 in words is "one hundred eleven trillion, eleven million, two hundred twelve thousand, two hundred one".