133013222113 has 4 divisors (see below), whose sum is σ = 136608174100. Its totient is φ = 129418270128.

The previous prime is 133013222071. The next prime is 133013222117. The reversal of 133013222113 is 311222310331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 311222310331 = 23 ⋅13531404797.

It can be written as a sum of positive squares in 2 ways, for example, as 56324104929 + 76689117184 = 237327^2 + 276928^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133013222113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133013222117) 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, 1797475938 + ... + 1797476011.

It is an arithmetic number, because the mean of its divisors is an integer number (34152043525).

Almost surely, 2^133013222113 is an apocalyptic number.

It is an amenable number.

133013222113 is a deficient number, since it is larger than the sum of its proper divisors (3594951987).

133013222113 is an equidigital number, since it uses as much as digits as its factorization.

133013222113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3594951986.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 133013222113 its reverse (311222310331), we get a palindrome (444235532444).

The spelling of 133013222113 in words is "one hundred thirty-three billion, thirteen million, two hundred twenty-two thousand, one hundred thirteen".