113211221333 has 4 divisors (see below), whose sum is σ = 129384252960. Its totient is φ = 97038189708.

The previous prime is 113211221323. The next prime is 113211221339. The reversal of 113211221333 is 333122112311.

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, and also an emirpimes, since its reverse is a distinct semiprime: 333122112311 = 73 ⋅4563316607.

It is a cyclic number.

It is not a de Polignac number, because 113211221333 - 2²² = 113207027029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113211221299 and 113211221308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113211221339) 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, 8086515803 + ... + 8086515816.

It is an arithmetic number, because the mean of its divisors is an integer number (32346063240).

Almost surely, 2^113211221333 is an apocalyptic number.

It is an amenable number.

113211221333 is a deficient number, since it is larger than the sum of its proper divisors (16173031627).

113211221333 is an equidigital number, since it uses as much as digits as its factorization.

113211221333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16173031626.

The product of its digits is 648, while the sum is 23.

Adding to 113211221333 its reverse (333122112311), we get a palindrome (446333333644).

The spelling of 113211221333 in words is "one hundred thirteen billion, two hundred eleven million, two hundred twenty-one thousand, three hundred thirty-three".