2111331213222 has 256 divisors, whose sum is σ = 5421006176256. Its totient is φ = 532389312000.

The previous prime is 2111331213203. The next prime is 2111331213239. The reversal of 2111331213222 is 2223121331112.

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 = 2111331213192 and 2111331213201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 727291423 + ... + 727294325.

It is an arithmetic number, because the mean of its divisors is an integer number (21175805376).

Almost surely, 2^{2111331213222} is an apocalyptic number.

2111331213222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2111331213222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2710503088128).

2111331213222 is an abundant number, since it is smaller than the sum of its proper divisors (3309674963034).

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

2111331213222 is a wasteful number, since it uses less digits than its factorization.

2111331213222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3315.

The product of its digits is 864, while the sum is 24.

Adding to 2111331213222 its reverse (2223121331112), we get a palindrome (4334452544334).

The spelling of 2111331213222 in words is "two trillion, one hundred eleven billion, three hundred thirty-one million, two hundred thirteen thousand, two hundred twenty-two".