111222121301 has 4 divisors (see below), whose sum is σ = 111234364704. Its totient is φ = 111209877900.

The previous prime is 111222121273. The next prime is 111222121303. The reversal of 111222121301 is 103121222111.

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 111222121301 - 2¹⁸ = 111221859157 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 111222121301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111222121303) 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, 6108065 + ... + 6126246.

It is an arithmetic number, because the mean of its divisors is an integer number (27808591176).

Almost surely, 2^111222121301 is an apocalyptic number.

It is an amenable number.

111222121301 is a deficient number, since it is larger than the sum of its proper divisors (12243403).

111222121301 is an equidigital number, since it uses as much as digits as its factorization.

111222121301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12243402.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 111222121301 its reverse (103121222111), we get a palindrome (214343343412).

The spelling of 111222121301 in words is "one hundred eleven billion, two hundred twenty-two million, one hundred twenty-one thousand, three hundred one".