111133110030221 has 4 divisors (see below), whose sum is σ = 112655481400572. Its totient is φ = 109610738659872.

The previous prime is 111133110030203. The next prime is 111133110030269. The reversal of 111133110030221 is 122030011331111.

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 19916494584100 + 91216615446121 = 4462790^2 + 9550739^2 .

It is a cyclic number.

It is not a de Polignac number, because 111133110030221 - 2¹⁰ = 111133110029197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111133110030193 and 111133110030202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111133110000221) 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, 761185685066 + ... + 761185685211.

It is an arithmetic number, because the mean of its divisors is an integer number (28163870350143).

Almost surely, 2^{111133110030221} is an apocalyptic number.

It is an amenable number.

111133110030221 is a deficient number, since it is larger than the sum of its proper divisors (1522371370351).

111133110030221 is an equidigital number, since it uses as much as digits as its factorization.

111133110030221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1522371370350.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 111133110030221 its reverse (122030011331111), we get a palindrome (233163121361332).

The spelling of 111133110030221 in words is "one hundred eleven trillion, one hundred thirty-three billion, one hundred ten million, thirty thousand, two hundred twenty-one".