331222003121111 has 4 divisors (see below), whose sum is σ = 331345271453952. Its totient is φ = 331098734788272.

The previous prime is 331222003121077. The next prime is 331222003121167. The reversal of 331222003121111 is 111121300222133.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331222003121111 is a prime.

It is a super-2 number, since 2×331222003121111² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331222003121171) 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, 61634162390 + ... + 61634167763.

It is an arithmetic number, because the mean of its divisors is an integer number (82836317863488).

Almost surely, 2^{331222003121111} is an apocalyptic number.

331222003121111 is a deficient number, since it is larger than the sum of its proper divisors (123268332841).

331222003121111 is a wasteful number, since it uses less digits than its factorization.

331222003121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123268332840.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 331222003121111 its reverse (111121300222133), we get a palindrome (442343303343244).

The spelling of 331222003121111 in words is "three hundred thirty-one trillion, two hundred twenty-two billion, three million, one hundred twenty-one thousand, one hundred eleven".