111221202222133 has 4 divisors (see below), whose sum is σ = 114808982939008. Its totient is φ = 107633421505260.

The previous prime is 111221202222127. The next prime is 111221202222181. The reversal of 111221202222133 is 331222202122111.

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 111221202222133 - 2¹³ = 111221202213941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111221202222098 and 111221202222107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111221202222103) 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, 1793890358391 + ... + 1793890358452.

It is an arithmetic number, because the mean of its divisors is an integer number (28702245734752).

Almost surely, 2^{111221202222133} is an apocalyptic number.

It is an amenable number.

111221202222133 is a deficient number, since it is larger than the sum of its proper divisors (3587780716875).

111221202222133 is an equidigital number, since it uses as much as digits as its factorization.

111221202222133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3587780716874.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 111221202222133 its reverse (331222202122111), we get a palindrome (442443404344244).

The spelling of 111221202222133 in words is "one hundred eleven trillion, two hundred twenty-one billion, two hundred two million, two hundred twenty-two thousand, one hundred thirty-three".