331113222101 has 4 divisors (see below), whose sum is σ = 331132380000. Its totient is φ = 331094064204.

The previous prime is 331113222073. The next prime is 331113222109. The reversal of 331113222101 is 101222311133.

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, and also an emirpimes, since its reverse is a distinct semiprime: 101222311133 = 31 ⋅3265235843.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331113222101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331113222109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9553001 + ... + 9587598.

It is an arithmetic number, because the mean of its divisors is an integer number (82783095000).

Almost surely, 2^331113222101 is an apocalyptic number.

It is an amenable number.

331113222101 is a deficient number, since it is larger than the sum of its proper divisors (19157899).

331113222101 is a wasteful number, since it uses less digits than its factorization.

331113222101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19157898.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 331113222101 its reverse (101222311133), we get a palindrome (432335533234).

The spelling of 331113222101 in words is "three hundred thirty-one billion, one hundred thirteen million, two hundred twenty-two thousand, one hundred one".