2212222202122 has 16 divisors (see below), whose sum is σ = 3323494959840. Its totient is φ = 1104390845712.

The previous prime is 2212222202111. The next prime is 2212222202149. The reversal of 2212222202122 is 2212022222122.

It is a super-2 number, since 2×2212222202122² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2212222202093 and 2212222202102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16218904 + ... + 16354732.

It is an arithmetic number, because the mean of its divisors is an integer number (207718434990).

Almost surely, 2^{2212222202122} is an apocalyptic number.

2212222202122 is a deficient number, since it is larger than the sum of its proper divisors (1111272757718).

2212222202122 is a wasteful number, since it uses less digits than its factorization.

2212222202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148437.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 2212222202122 its reverse (2212022222122), we get a palindrome (4424244424244).

The spelling of 2212222202122 in words is "two trillion, two hundred twelve billion, two hundred twenty-two million, two hundred two thousand, one hundred twenty-two".