331211112111222 has 16 divisors (see below), whose sum is σ = 757053970540032. Its totient is φ = 94631746317480.

The previous prime is 331211112111181. The next prime is 331211112111223. The reversal of 331211112111222 is 222111211112133.

It is a super-2 number, since 2×331211112111222² (a number of 30 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 331211112111192 and 331211112111201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331211112111223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3942989429854 + ... + 3942989429937.

It is an arithmetic number, because the mean of its divisors is an integer number (47315873158752).

Almost surely, 2^{331211112111222} is an apocalyptic number.

331211112111222 is an abundant number, since it is smaller than the sum of its proper divisors (425842858428810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331211112111222 is a wasteful number, since it uses less digits than its factorization.

331211112111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7885978859803.

The product of its digits is 288, while the sum is 24.

Adding to 331211112111222 its reverse (222111211112133), we get a palindrome (553322323223355).

The spelling of 331211112111222 in words is "three hundred thirty-one trillion, two hundred eleven billion, one hundred twelve million, one hundred eleven thousand, two hundred twenty-two".