2122122222222 has 32 divisors (see below), whose sum is σ = 4316453971200. Its totient is φ = 695340670848.

The previous prime is 2122122222203. The next prime is 2122122222239. The reversal of 2122122222222 is 2222222212212.

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

2122122222222 is a modest number, since divided by 2222222 gives 212212 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 2122122222192 and 2122122222201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5666278 + ... + 6029174.

It is an arithmetic number, because the mean of its divisors is an integer number (134889186600).

Almost surely, 2^{2122122222222} is an apocalyptic number.

2122122222222 is an abundant number, since it is smaller than the sum of its proper divisors (2194331748978).

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

2122122222222 is a wasteful number, since it uses less digits than its factorization.

2122122222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379480.

The product of its digits is 2048, while the sum is 24.

Adding to 2122122222222 its reverse (2222222212212), we get a palindrome (4344344434434).

The spelling of 2122122222222 in words is "two trillion, one hundred twenty-two billion, one hundred twenty-two million, two hundred twenty-two thousand, two hundred twenty-two".